1252125554 has 16 divisors (see below), whose sum is σ = 1893404376. Its totient is φ = 621004800.

The previous prime is 1252125533. The next prime is 1252125559. The reversal of 1252125554 is 4555212521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 899700025 + 352425529 = 29995^2 + 18773^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1252125554.

It is not an unprimeable number, because it can be changed into a prime (1252125559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198164 + ... + 204384.

Almost surely, 2^1252125554 is an apocalyptic number.

1252125554 is a deficient number, since it is larger than the sum of its proper divisors (641278822).

1252125554 is a wasteful number, since it uses less digits than its factorization.

1252125554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7021.

The product of its digits is 20000, while the sum is 32.

The square root of 1252125554 is about 35385.3861643476. The cubic root of 1252125554 is about 1077.8275815588.

The spelling of 1252125554 in words is "one billion, two hundred fifty-two million, one hundred twenty-five thousand, five hundred fifty-four".