1020474531 has 10 divisors (see below), whose sum is σ = 1524412692. Its totient is φ = 680316300.

The previous prime is 1020474517. The next prime is 1020474563. The reversal of 1020474531 is 1354740201.

1020474531 is a `hidden beast` number, since 1 + 0 + 204 + 7 + 453 + 1 = 666.

It is not a de Polignac number, because 1020474531 - 2⁹ = 1020474019 is a prime.

It is a super-2 number, since 2×1020474531² = 2082736536839339922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1020474495 and 1020474504.

It is not an unprimeable number, because it can be changed into a prime (1020474331) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6299145 + ... + 6299306.

Almost surely, 2^1020474531 is an apocalyptic number.

1020474531 is a deficient number, since it is larger than the sum of its proper divisors (503938161).

1020474531 is an equidigital number, since it uses as much as digits as its factorization.

1020474531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12598463 (or 12598454 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1020474531 is about 31944.8670524703. The cubic root of 1020474531 is about 1006.7787878688.

The spelling of 1020474531 in words is "one billion, twenty million, four hundred seventy-four thousand, five hundred thirty-one".