125554151 has 4 divisors (see below), whose sum is σ = 125667672. Its totient is φ = 125440632.

The previous prime is 125554141. The next prime is 125554193. The reversal of 125554151 is 151455521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125554151 - 2¹⁴ = 125537767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125554141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55085 + ... + 57318.

It is an arithmetic number, because the mean of its divisors is an integer number (31416918).

Almost surely, 2^125554151 is an apocalyptic number.

125554151 is a deficient number, since it is larger than the sum of its proper divisors (113521).

125554151 is a wasteful number, since it uses less digits than its factorization.

125554151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113520.

The product of its digits is 5000, while the sum is 29.

The square root of 125554151 is about 11205.0948679607. The cubic root of 125554151 is about 500.7377788293.

The spelling of 125554151 in words is "one hundred twenty-five million, five hundred fifty-four thousand, one hundred fifty-one".