1501120500 has 96 divisors (see below), whose sum is σ = 4768702848. Its totient is φ = 363904000.

The previous prime is 1501120499. The next prime is 1501120501. The reversal of 1501120500 is 50211051.

It is an interprime number because it is at equal distance from previous prime (1501120499) and next prime (1501120501).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1501120500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1501120501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28989 + ... + 61988.

It is an arithmetic number, because the mean of its divisors is an integer number (49673988).

Almost surely, 2^1501120500 is an apocalyptic number.

1501120500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1501120500 is an abundant number, since it is smaller than the sum of its proper divisors (3267582348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1501120500 is a wasteful number, since it uses less digits than its factorization.

1501120500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91010 (or 90998 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 1501120500 is about 38744.2963544313. The cubic root of 1501120500 is about 1144.9992054557. Note that the first 3 decimals are identical.

Adding to 1501120500 its reverse (50211051), we get a palindrome (1551331551).

It can be divided in two parts, 15011 and 20500, that added together give a triangular number (35511 = T₂₆₆).

The spelling of 1501120500 in words is "one billion, five hundred one million, one hundred twenty thousand, five hundred".