124672641 has 4 divisors (see below), whose sum is σ = 166230192. Its totient is φ = 83115092.

The previous prime is 124672633. The next prime is 124672649. The reversal of 124672641 is 146276421.

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 (124672633) and next prime (124672649).

It is a cyclic number.

It is not a de Polignac number, because 124672641 - 2³ = 124672633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124672649) 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, 20778771 + ... + 20778776.

It is an arithmetic number, because the mean of its divisors is an integer number (41557548).

Almost surely, 2^124672641 is an apocalyptic number.

It is an amenable number.

124672641 is a deficient number, since it is larger than the sum of its proper divisors (41557551).

124672641 is an equidigital number, since it uses as much as digits as its factorization.

124672641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41557550.

The product of its digits is 16128, while the sum is 33.

The square root of 124672641 is about 11165.6903503545. The cubic root of 124672641 is about 499.5631397507.

The spelling of 124672641 in words is "one hundred twenty-four million, six hundred seventy-two thousand, six hundred forty-one".