124949207 has 4 divisors (see below), whose sum is σ = 126095640. Its totient is φ = 123802776.

The previous prime is 124949203. The next prime is 124949239. The reversal of 124949207 is 702949421.

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

It is a cyclic number.

It is not a de Polignac number, because 124949207 - 2² = 124949203 is a prime.

It is a super-2 number, since 2×124949207² = 31224608659857698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124949203) 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, 573053 + ... + 573270.

It is an arithmetic number, because the mean of its divisors is an integer number (31523910).

Almost surely, 2^124949207 is an apocalyptic number.

124949207 is a deficient number, since it is larger than the sum of its proper divisors (1146433).

124949207 is a wasteful number, since it uses less digits than its factorization.

124949207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146432.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 124949207 is about 11178.0681246806. The cubic root of 124949207 is about 499.9322668248.

The spelling of 124949207 in words is "one hundred twenty-four million, nine hundred forty-nine thousand, two hundred seven".