1239495052 has 12 divisors (see below), whose sum is σ = 2169742960. Its totient is φ = 619568496.

The previous prime is 1239495017. The next prime is 1239495097. The reversal of 1239495052 is 2505949321.

It is a junction number, because it is equal to n+sod(n) for n = 1239494996 and 1239495014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28527 + ... + 57382.

Almost surely, 2^1239495052 is an apocalyptic number.

It is an amenable number.

1239495052 is a deficient number, since it is larger than the sum of its proper divisors (930247908).

1239495052 is a wasteful number, since it uses less digits than its factorization.

1239495052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89520 (or 89518 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 1239495052 is about 35206.4632134499. The cubic root of 1239495052 is about 1074.1912220621.

The spelling of 1239495052 in words is "one billion, two hundred thirty-nine million, four hundred ninety-five thousand, fifty-two".