1042502140 has 48 divisors (see below), whose sum is σ = 2306723328. Its totient is φ = 394979904.

The previous prime is 1042502107. The next prime is 1042502147. The reversal of 1042502140 is 412052401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042502147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36379 + ... + 58381.

It is an arithmetic number, because the mean of its divisors is an integer number (48056736).

Almost surely, 2^1042502140 is an apocalyptic number.

1042502140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042502140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1153361664).

1042502140 is an abundant number, since it is smaller than the sum of its proper divisors (1264221188).

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

1042502140 is a wasteful number, since it uses less digits than its factorization.

1042502140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22138 (or 22136 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1042502140 is about 32287.8017213932. The cubic root of 1042502140 is about 1013.9712744425.

Adding to 1042502140 its reverse (412052401), we get a palindrome (1454554541).

The spelling of 1042502140 in words is "one billion, forty-two million, five hundred two thousand, one hundred forty".