124761001 has 4 divisors (see below), whose sum is σ = 126162900. Its totient is φ = 123359104.

The previous prime is 124760981. The next prime is 124761023. The reversal of 124761001 is 100167421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80192025 + 44568976 = 8955^2 + 6676^2 .

It is a cyclic number.

It is not a de Polignac number, because 124761001 - 2⁵ = 124760969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124761041) 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, 700816 + ... + 700993.

It is an arithmetic number, because the mean of its divisors is an integer number (31540725).

Almost surely, 2^124761001 is an apocalyptic number.

It is an amenable number.

124761001 is a deficient number, since it is larger than the sum of its proper divisors (1401899).

124761001 is an equidigital number, since it uses as much as digits as its factorization.

124761001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401898.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 124761001 is about 11169.6464133830. The cubic root of 124761001 is about 499.6811313555.

The spelling of 124761001 in words is "one hundred twenty-four million, seven hundred sixty-one thousand, one".