124782480 has 60 divisors (see below), whose sum is σ = 419063580. Its totient is φ = 33275136.

The previous prime is 124782473. The next prime is 124782487. The reversal of 124782480 is 84287421.

It is an interprime number because it is at equal distance from previous prime (124782473) and next prime (124782487).

It can be written as a sum of positive squares in 2 ways, for example, as 31002624 + 93779856 = 5568^2 + 9684^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (124782487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85935 + ... + 87374.

It is an arithmetic number, because the mean of its divisors is an integer number (6984393).

Almost surely, 2^124782480 is an apocalyptic number.

124782480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124782480 is an abundant number, since it is smaller than the sum of its proper divisors (294281100).

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

124782480 is a wasteful number, since it uses less digits than its factorization.

124782480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173328 (or 173319 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 124782480 is about 11170.6078617056. The cubic root of 124782480 is about 499.7098049396.

The spelling of 124782480 in words is "one hundred twenty-four million, seven hundred eighty-two thousand, four hundred eighty".