1125252621322 has 16 divisors (see below), whose sum is σ = 1864868795712. Its totient is φ = 506507573440.

The previous prime is 1125252621319. The next prime is 1125252621329. The reversal of 1125252621322 is 2231262525211.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1125252621329) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 719470204 + ... + 719471767.

It is an arithmetic number, because the mean of its divisors is an integer number (116554299732).

Almost surely, 2^{1125252621322} is an apocalyptic number.

1125252621322 is a deficient number, since it is larger than the sum of its proper divisors (739616174390).

1125252621322 is a wasteful number, since it uses less digits than its factorization.

1125252621322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438942013.

The product of its digits is 28800, while the sum is 34.

The spelling of 1125252621322 in words is "one trillion, one hundred twenty-five billion, two hundred fifty-two million, six hundred twenty-one thousand, three hundred twenty-two".