1251045010124 has 36 divisors (see below), whose sum is σ = 2709363759984. Its totient is φ = 494918903232.

The previous prime is 1251045010093. The next prime is 1251045010141. The reversal of 1251045010124 is 4210105401521.

It is a happy number.

It is a super-2 number, since 2×1251045010124² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1251045010093 and 1251045010102.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 132185147 + ... + 132194610.

It is an arithmetic number, because the mean of its divisors is an integer number (75260104444).

Almost surely, 2^{1251045010124} is an apocalyptic number.

1251045010124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1251045010124 is an abundant number, since it is smaller than the sum of its proper divisors (1458318749860).

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

1251045010124 is a wasteful number, since it uses less digits than its factorization.

1251045010124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264379794 (or 264379779 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The spelling of 1251045010124 in words is "one trillion, two hundred fifty-one billion, forty-five million, ten thousand, one hundred twenty-four".