124147740 has 24 divisors (see below), whose sum is σ = 347613840. Its totient is φ = 33106048.

The previous prime is 124147739. The next prime is 124147763. The reversal of 124147740 is 47741421.

124147740 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×124147740² = 30825322694215200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

124147740 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 124147698 and 124147707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034505 + ... + 1034624.

It is an arithmetic number, because the mean of its divisors is an integer number (14483910).

Almost surely, 2^124147740 is an apocalyptic number.

124147740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124147740 is an abundant number, since it is smaller than the sum of its proper divisors (223466100).

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

124147740 is a wasteful number, since it uses less digits than its factorization.

124147740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069141 (or 2069139 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 124147740 is about 11142.1604727270. The cubic root of 124147740 is about 498.8610609388.

The spelling of 124147740 in words is "one hundred twenty-four million, one hundred forty-seven thousand, seven hundred forty".