1252125552 has 40 divisors (see below), whose sum is σ = 3240930960. Its totient is φ = 416565760.

The previous prime is 1252125533. The next prime is 1252125559. The reversal of 1252125552 is 2555212521.

It is a congruent number.

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, 27 + ... + 50042.

It is an arithmetic number, because the mean of its divisors is an integer number (81023274).

Almost surely, 2^1252125552 is an apocalyptic number.

1252125552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1252125552 is an abundant number, since it is smaller than the sum of its proper divisors (1988805408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252125552 is a wasteful number, since it uses less digits than its factorization.

1252125552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50601 (or 50595 counting only the distinct ones).

The product of its digits is 10000, while the sum is 30.

The square root of 1252125552 is about 35385.3861360873. The cubic root of 1252125552 is about 1077.8275809849.

The spelling of 1252125552 in words is "one billion, two hundred fifty-two million, one hundred twenty-five thousand, five hundred fifty-two".