1201056150 has 72 divisors (see below), whose sum is σ = 3464945640. Its totient is φ = 274525440.

The previous prime is 1201056119. The next prime is 1201056163. The reversal of 1201056150 is 516501021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 74355 + ... + 89054.

It is an arithmetic number, because the mean of its divisors is an integer number (48124245).

Almost surely, 2^1201056150 is an apocalyptic number.

1201056150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201056150 is an abundant number, since it is smaller than the sum of its proper divisors (2263889490).

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

1201056150 is a wasteful number, since it uses less digits than its factorization.

1201056150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163438 (or 163426 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1201056150 is about 34656.2570108198. The cubic root of 1201056150 is about 1062.9702352232.

Adding to 1201056150 its reverse (516501021), we get a palindrome (1717557171).

The spelling of 1201056150 in words is "one billion, two hundred one million, fifty-six thousand, one hundred fifty".