1251010016 has 24 divisors (see below), whose sum is σ = 2463919920. Its totient is φ = 625252608.

The previous prime is 1251010003. The next prime is 1251010031. The reversal of 1251010016 is 6100101521.

It is a junction number, because it is equal to n+sod(n) for n = 1251009976 and 1251010003.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 92180 + ... + 104876.

It is an arithmetic number, because the mean of its divisors is an integer number (102663330).

Almost surely, 2^1251010016 is an apocalyptic number.

1251010016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1251010016 is a deficient number, since it is larger than the sum of its proper divisors (1212909904).

1251010016 is a wasteful number, since it uses less digits than its factorization.

1251010016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15786 (or 15778 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 1251010016 is about 35369.6199583767. The cubic root of 1251010016 is about 1077.5074020411.

Adding to 1251010016 its reverse (6100101521), we get a palindrome (7351111537).

The spelling of 1251010016 in words is "one billion, two hundred fifty-one million, ten thousand, sixteen".