1252619152 has 10 divisors (see below), whose sum is σ = 2426949638. Its totient is φ = 626309568.

The previous prime is 1252619149. The next prime is 1252619189. The reversal of 1252619152 is 2519162521.

It can be written as a sum of positive squares in only one way, i.e., 1251461376 + 1157776 = 35376^2 + 1076^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39144333 + ... + 39144364.

Almost surely, 2^1252619152 is an apocalyptic number.

It is an amenable number.

1252619152 is a deficient number, since it is larger than the sum of its proper divisors (1174330486).

1252619152 is an equidigital number, since it uses as much as digits as its factorization.

1252619152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78288705 (or 78288699 counting only the distinct ones).

The product of its digits is 10800, while the sum is 34.

The square root of 1252619152 is about 35392.3600795426. The cubic root of 1252619152 is about 1077.9691923965.

The spelling of 1252619152 in words is "one billion, two hundred fifty-two million, six hundred nineteen thousand, one hundred fifty-two".