1252899007 has 8 divisors (see below), whose sum is σ = 1361384960. Its totient is φ = 1148667480.

The previous prime is 1252898957. The next prime is 1252899119. The reversal of 1252899007 is 7009982521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252899007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252899707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1062993 + ... + 1064170.

It is an arithmetic number, because the mean of its divisors is an integer number (170173120).

Almost surely, 2^1252899007 is an apocalyptic number.

1252899007 is a deficient number, since it is larger than the sum of its proper divisors (108485953).

1252899007 is a wasteful number, since it uses less digits than its factorization.

1252899007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127213.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 1252899007 is about 35396.3134662354. The cubic root of 1252899007 is about 1078.0494648944.

The spelling of 1252899007 in words is "one billion, two hundred fifty-two million, eight hundred ninety-nine thousand, seven".