1251514002 has 64 divisors (see below), whose sum is σ = 2675312640. Its totient is φ = 389188800.

The previous prime is 1251514001. The next prime is 1251514009. The reversal of 1251514002 is 2004151521.

It is a self number, because there is not a number n which added to its sum of digits gives 1251514002.

It is not an unprimeable number, because it can be changed into a prime (1251514001) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2702823 + ... + 2703285.

It is an arithmetic number, because the mean of its divisors is an integer number (41801760).

Almost surely, 2^1251514002 is an apocalyptic number.

1251514002 is an abundant number, since it is smaller than the sum of its proper divisors (1423798638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1251514002 is a wasteful number, since it uses less digits than its factorization.

1251514002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1251514002 is about 35376.7438015428. The cubic root of 1251514002 is about 1077.6520786704.

Adding to 1251514002 its reverse (2004151521), we get a palindrome (3255665523).

The spelling of 1251514002 in words is "one billion, two hundred fifty-one million, five hundred fourteen thousand, two".