125400854154 has 32 divisors (see below), whose sum is σ = 256334400000. Its totient is φ = 40885290864.

The previous prime is 125400854147. The next prime is 125400854191. The reversal of 125400854154 is 451458004521.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 819604 + ... + 960495.

It is an arithmetic number, because the mean of its divisors is an integer number (8010450000).

Almost surely, 2^125400854154 is an apocalyptic number.

125400854154 is an abundant number, since it is smaller than the sum of its proper divisors (130933545846).

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

125400854154 is a wasteful number, since it uses less digits than its factorization.

125400854154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780362.

The product of its (nonzero) digits is 128000, while the sum is 39.

Adding to 125400854154 its reverse (451458004521), we get a palindrome (576858858675).

The spelling of 125400854154 in words is "one hundred twenty-five billion, four hundred million, eight hundred fifty-four thousand, one hundred fifty-four".