124769540 has 48 divisors (see below), whose sum is σ = 300316800. Its totient is φ = 42653952.

The previous prime is 124769521. The next prime is 124769543. The reversal of 124769540 is 45967421.

It is a super-2 number, since 2×124769540² = 31134876223623200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124769494 and 124769503.

It is not an unprimeable number, because it can be changed into a prime (124769543) 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, 56171 + ... + 58349.

It is an arithmetic number, because the mean of its divisors is an integer number (6256600).

Almost surely, 2^124769540 is an apocalyptic number.

124769540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124769540 is an abundant number, since it is smaller than the sum of its proper divisors (175547260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124769540 is a wasteful number, since it uses less digits than its factorization.

124769540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604 (or 2602 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 124769540 is about 11170.0286481280. The cubic root of 124769540 is about 499.6925309643.

The spelling of 124769540 in words is "one hundred twenty-four million, seven hundred sixty-nine thousand, five hundred forty".