1251233552 has 10 divisors (see below), whose sum is σ = 2424265038. Its totient is φ = 625616768.

The previous prime is 1251233539. The next prime is 1251233561. The reversal of 1251233552 is 2553321521.

It can be written as a sum of positive squares in only one way, i.e., 1080042496 + 171191056 = 32864^2 + 13084^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39101033 + ... + 39101064.

Almost surely, 2^1251233552 is an apocalyptic number.

It is an amenable number.

1251233552 is a deficient number, since it is larger than the sum of its proper divisors (1173031486).

1251233552 is an equidigital number, since it uses as much as digits as its factorization.

1251233552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78202105 (or 78202099 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 1251233552 is about 35372.7798172550. The cubic root of 1251233552 is about 1077.5715761476.

It can be divided in two parts, 12512 and 33552, that added together give a palindrome (46064).

The spelling of 1251233552 in words is "one billion, two hundred fifty-one million, two hundred thirty-three thousand, five hundred fifty-two".