125151201 has 12 divisors (see below), whose sum is σ = 206598912. Its totient is φ = 71514936.

The previous prime is 125151197. The next prime is 125151223. The reversal of 125151201 is 102151521.

It is not a de Polignac number, because 125151201 - 2² = 125151197 is a prime.

It is a super-2 number, since 2×125151201² = 31325646223484802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125151241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 993201 + ... + 993326.

It is an arithmetic number, because the mean of its divisors is an integer number (17216576).

Almost surely, 2^125151201 is an apocalyptic number.

It is an amenable number.

125151201 is a deficient number, since it is larger than the sum of its proper divisors (81447711).

125151201 is a wasteful number, since it uses less digits than its factorization.

125151201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986540 (or 1986537 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 125151201 is about 11187.0997582036. The cubic root of 125151201 is about 500.2015201017.

The spelling of 125151201 in words is "one hundred twenty-five million, one hundred fifty-one thousand, two hundred one".