1252895018 has 8 divisors (see below), whose sum is σ = 1891788960. Its totient is φ = 622298700.

The previous prime is 1252895009. The next prime is 1252895023. The reversal of 1252895018 is 8105982521.

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

It is a super-2 number, since 2×1252895018² = 3139491852258440648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2074028 + ... + 2074631.

It is an arithmetic number, because the mean of its divisors is an integer number (236473620).

Almost surely, 2^1252895018 is an apocalyptic number.

1252895018 is a deficient number, since it is larger than the sum of its proper divisors (638893942).

1252895018 is a wasteful number, since it uses less digits than its factorization.

1252895018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148812.

The product of its (nonzero) digits is 57600, while the sum is 41.

The square root of 1252895018 is about 35396.2571185147. The cubic root of 1252895018 is about 1078.0483207894.

The spelling of 1252895018 in words is "one billion, two hundred fifty-two million, eight hundred ninety-five thousand, eighteen".