124770945 has 16 divisors (see below), whose sum is σ = 214990272. Its totient is φ = 61425600.

The previous prime is 124770931. The next prime is 124770949. The reversal of 124770945 is 549077421.

It is not a de Polignac number, because 124770945 - 2⁹ = 124770433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (124770949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319731 + ... + 320120.

It is an arithmetic number, because the mean of its divisors is an integer number (13436892).

Almost surely, 2^124770945 is an apocalyptic number.

124770945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124770945 is a deficient number, since it is larger than the sum of its proper divisors (90219327).

124770945 is a wasteful number, since it uses less digits than its factorization.

124770945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639872.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 124770945 is about 11170.0915394638. The cubic root of 124770945 is about 499.6944065967.

The spelling of 124770945 in words is "one hundred twenty-four million, seven hundred seventy thousand, nine hundred forty-five".