124849969 has 4 divisors (see below), whose sum is σ = 131421040. Its totient is φ = 118278900.

The previous prime is 124849919. The next prime is 124849993. The reversal of 124849969 is 969948421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 969948421 = 13 ⋅74611417.

It is a cyclic number.

It is not a de Polignac number, because 124849969 - 2²⁵ = 91295537 is a prime.

It is a super-2 number, since 2×124849969² = 31175029518601922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124849909) 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, 3285507 + ... + 3285544.

It is an arithmetic number, because the mean of its divisors is an integer number (32855260).

Almost surely, 2^124849969 is an apocalyptic number.

124849969 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

124849969 is a deficient number, since it is larger than the sum of its proper divisors (6571071).

124849969 is an equidigital number, since it uses as much as digits as its factorization.

124849969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6571070.

The product of its digits is 1119744, while the sum is 52.

The square root of 124849969 is about 11173.6282827021. The cubic root of 124849969 is about 499.7998785802.

The spelling of 124849969 in words is "one hundred twenty-four million, eight hundred forty-nine thousand, nine hundred sixty-nine".