1056210642 has 24 divisors (see below), whose sum is σ = 2300321244. Its totient is φ = 350244864.

The previous prime is 1056210601. The next prime is 1056210643. The reversal of 1056210642 is 2460126501.

1056210642 is a `hidden beast` number, since 1 + 0 + 5 + 6 + 2 + 10 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 828230841 + 227979801 = 28779^2 + 15099^2 .

It is a super-2 number, since 2×1056210642² = 2231161840548104328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056210643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148543 + ... + 155490.

Almost surely, 2^1056210642 is an apocalyptic number.

1056210642 is an abundant number, since it is smaller than the sum of its proper divisors (1244110602).

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

1056210642 is a wasteful number, since it uses less digits than its factorization.

1056210642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304234 (or 304231 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1056210642 is about 32499.3944866670. The cubic root of 1056210642 is about 1018.3963786439.

The spelling of 1056210642 in words is "one billion, fifty-six million, two hundred ten thousand, six hundred forty-two".