124152881 has 4 divisors (see below), whose sum is σ = 124290672. Its totient is φ = 124015092.

The previous prime is 124152877. The next prime is 124152901. The reversal of 124152881 is 188251421.

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 a cyclic number.

It is not a de Polignac number, because 124152881 - 2² = 124152877 is a prime.

It is a super-2 number, since 2×124152881² = 30827875721200322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124152841) 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, 67535 + ... + 69348.

It is an arithmetic number, because the mean of its divisors is an integer number (31072668).

Almost surely, 2^124152881 is an apocalyptic number.

It is an amenable number.

124152881 is a deficient number, since it is larger than the sum of its proper divisors (137791).

124152881 is an equidigital number, since it uses as much as digits as its factorization.

124152881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137790.

The product of its digits is 5120, while the sum is 32.

The square root of 124152881 is about 11142.3911706599. The cubic root of 124152881 is about 498.8679468457.

The spelling of 124152881 in words is "one hundred twenty-four million, one hundred fifty-two thousand, eight hundred eighty-one".