124155131 has 4 divisors (see below), whose sum is σ = 131458392. Its totient is φ = 116851872.

The previous prime is 124155107. The next prime is 124155133. The reversal of 124155131 is 131551421.

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 124155131 - 2¹⁴ = 124138747 is a prime.

It is a super-2 number, since 2×124155131² = 30828993107254322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124155097 and 124155106.

It is not an unprimeable number, because it can be changed into a prime (124155133) 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, 3651605 + ... + 3651638.

It is an arithmetic number, because the mean of its divisors is an integer number (32864598).

Almost surely, 2^124155131 is an apocalyptic number.

124155131 is a deficient number, since it is larger than the sum of its proper divisors (7303261).

124155131 is an equidigital number, since it uses as much as digits as its factorization.

124155131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7303260.

The product of its digits is 600, while the sum is 23.

The square root of 124155131 is about 11142.4921359631. The cubic root of 124155131 is about 498.8709604584.

The spelling of 124155131 in words is "one hundred twenty-four million, one hundred fifty-five thousand, one hundred thirty-one".