124089505 has 8 divisors (see below), whose sum is σ = 150299712. Its totient is φ = 98343408.

The previous prime is 124089499. The next prime is 124089523. The reversal of 124089505 is 505980421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124089505 - 2⁵ = 124089473 is a prime.

It is a super-2 number, since 2×124089505² = 30796410502290050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115437 + ... + 116506.

It is an arithmetic number, because the mean of its divisors is an integer number (18787464).

Almost surely, 2^124089505 is an apocalyptic number.

It is an amenable number.

124089505 is a deficient number, since it is larger than the sum of its proper divisors (26210207).

124089505 is a wasteful number, since it uses less digits than its factorization.

124089505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232055.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 124089505 is about 11139.5468938373. The cubic root of 124089505 is about 498.7830471211.

The spelling of 124089505 in words is "one hundred twenty-four million, eighty-nine thousand, five hundred five".