1252044002 has 16 divisors (see below), whose sum is σ = 2049364800. Its totient is φ = 568953840.

The previous prime is 1252043993. The next prime is 1252044023. The reversal of 1252044002 is 2004402521.

It is a happy number.

It is a super-2 number, since 2×1252044002² = 3135228365888352008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119699 + ... + 129737.

It is an arithmetic number, because the mean of its divisors is an integer number (128085300).

Almost surely, 2^1252044002 is an apocalyptic number.

1252044002 is a deficient number, since it is larger than the sum of its proper divisors (797320798).

1252044002 is a wasteful number, since it uses less digits than its factorization.

1252044002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15721.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1252044002 is about 35384.2338054677. The cubic root of 1252044002 is about 1077.8041811090.

Adding to 1252044002 its reverse (2004402521), we get a palindrome (3256446523).

The spelling of 1252044002 in words is "one billion, two hundred fifty-two million, forty-four thousand, two".