124155201 has 4 divisors (see below), whose sum is σ = 165540272. Its totient is φ = 82770132.

The previous prime is 124155193. The next prime is 124155209. The reversal of 124155201 is 102551421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (124155193) and next prime (124155209).

It is not a de Polignac number, because 124155201 - 2³ = 124155193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124155209) 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, 20692531 + ... + 20692536.

It is an arithmetic number, because the mean of its divisors is an integer number (41385068).

Almost surely, 2^124155201 is an apocalyptic number.

It is an amenable number.

124155201 is a deficient number, since it is larger than the sum of its proper divisors (41385071).

124155201 is an equidigital number, since it uses as much as digits as its factorization.

124155201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41385070.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 124155201 is about 11142.4952770912. The cubic root of 124155201 is about 498.8710542146.

The spelling of 124155201 in words is "one hundred twenty-four million, one hundred fifty-five thousand, two hundred one".