1251455034054 has 16 divisors (see below), whose sum is σ = 2502938691648. Its totient is φ = 417146907432.

The previous prime is 1251455034047. The next prime is 1251455034059. The reversal of 1251455034054 is 4504305541521.

It is a super-2 number, since 2×1251455034054² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1251455034059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601752 + ... + 1692635.

It is an arithmetic number, because the mean of its divisors is an integer number (156433668228).

Almost surely, 2^{1251455034054} is an apocalyptic number.

1251455034054 is an abundant number, since it is smaller than the sum of its proper divisors (1251483657594).

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

1251455034054 is a wasteful number, since it uses less digits than its factorization.

1251455034054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385299.

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 1251455034054 in words is "one trillion, two hundred fifty-one billion, four hundred fifty-five million, thirty-four thousand, fifty-four".