1012357408 has 24 divisors (see below), whose sum is σ = 1994541948. Its totient is φ = 505807104.

The previous prime is 1012357387. The next prime is 1012357453. The reversal of 1012357408 is 8047532101.

It can be written as a sum of positive squares in 2 ways, for example, as 1000330384 + 12027024 = 31628^2 + 3468^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1012357408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35610 + ... + 57382.

Almost surely, 2^1012357408 is an apocalyptic number.

It is an amenable number.

1012357408 is a deficient number, since it is larger than the sum of its proper divisors (982184540).

1012357408 is a wasteful number, since it uses less digits than its factorization.

1012357408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23236 (or 23228 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1012357408 is about 31817.5644573874. The cubic root of 1012357408 is about 1004.1022842518.

Adding to 1012357408 its reverse (8047532101), we get a palindrome (9059889509).

The spelling of 1012357408 in words is "one billion, twelve million, three hundred fifty-seven thousand, four hundred eight".