1257152152 has 16 divisors (see below), whose sum is σ = 2370186000. Its totient is φ = 625102560.

The previous prime is 1257152129. The next prime is 1257152167. The reversal of 1257152152 is 2512517521.

It is a happy number.

It is a super-2 number, since 2×1257152152² = 3160863066556462208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432652 + ... + 435547.

It is an arithmetic number, because the mean of its divisors is an integer number (148136625).

Almost surely, 2^1257152152 is an apocalyptic number.

It is an amenable number.

1257152152 is a deficient number, since it is larger than the sum of its proper divisors (1113033848).

1257152152 is a wasteful number, since it uses less digits than its factorization.

1257152152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868386 (or 868382 counting only the distinct ones).

The product of its digits is 7000, while the sum is 31.

The square root of 1257152152 is about 35456.3414920378. The cubic root of 1257152152 is about 1079.2679515583.

Adding to 1257152152 its reverse (2512517521), we get a palindrome (3769669673).

The spelling of 1257152152 in words is "one billion, two hundred fifty-seven million, one hundred fifty-two thousand, one hundred fifty-two".