1042651860 has 96 divisors (see below), whose sum is σ = 3012992640. Its totient is φ = 269203968.

The previous prime is 1042651849. The next prime is 1042651867. The reversal of 1042651860 is 681562401.

It is a super-2 number, since 2×1042651860² = 2174245802322919200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042651867) 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, 502906 + ... + 504974.

It is an arithmetic number, because the mean of its divisors is an integer number (31385340).

Almost surely, 2^1042651860 is an apocalyptic number.

1042651860 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 1042651860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1506496320).

1042651860 is an abundant number, since it is smaller than the sum of its proper divisors (1970340780).

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

1042651860 is a wasteful number, since it uses less digits than its factorization.

1042651860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345 (or 2343 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1042651860 is about 32290.1201608170. The cubic root of 1042651860 is about 1014.0198129558.

The spelling of 1042651860 in words is "one billion, forty-two million, six hundred fifty-one thousand, eight hundred sixty".