1252252099 has 8 divisors (see below), whose sum is σ = 1477311488. Its totient is φ = 1038734280.

The previous prime is 1252252093. The next prime is 1252252123. The reversal of 1252252099 is 9902522521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1252252099 - 2⁹ = 1252251587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252252093) 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, 2885157 + ... + 2885590.

It is an arithmetic number, because the mean of its divisors is an integer number (184663936).

Almost surely, 2^1252252099 is an apocalyptic number.

1252252099 is a deficient number, since it is larger than the sum of its proper divisors (225059389).

1252252099 is an equidigital number, since it uses as much as digits as its factorization.

1252252099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770785.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 1252252099 is about 35387.1742160913. The cubic root of 1252252099 is about 1077.8638902437.

The spelling of 1252252099 in words is "one billion, two hundred fifty-two million, two hundred fifty-two thousand, ninety-nine".