124401045 has 32 divisors (see below), whose sum is σ = 202591872. Its totient is φ = 65175552.

The previous prime is 124401041. The next prime is 124401073. The reversal of 124401045 is 540104421.

It is a happy number.

It is not a de Polignac number, because 124401045 - 2² = 124401041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124401041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280594 + ... + 281036.

It is an arithmetic number, because the mean of its divisors is an integer number (6330996).

Almost surely, 2^124401045 is an apocalyptic number.

124401045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124401045 is a deficient number, since it is larger than the sum of its proper divisors (78190827).

124401045 is a wasteful number, since it uses less digits than its factorization.

124401045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 124401045 is about 11153.5216411679. The cubic root of 124401045 is about 499.2001143817.

Adding to 124401045 its reverse (540104421), we get a palindrome (664505466).

The spelling of 124401045 in words is "one hundred twenty-four million, four hundred one thousand, forty-five".