124551055 has 4 divisors (see below), whose sum is σ = 149461272. Its totient is φ = 99640840.

The previous prime is 124551047. The next prime is 124551107. The reversal of 124551055 is 550155421.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 124551055 - 2³ = 124551047 is a prime.

It is a super-2 number, since 2×124551055² = 31025930603226050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12455101 + ... + 12455110.

It is an arithmetic number, because the mean of its divisors is an integer number (37365318).

Almost surely, 2^124551055 is an apocalyptic number.

124551055 is a deficient number, since it is larger than the sum of its proper divisors (24910217).

124551055 is an equidigital number, since it uses as much as digits as its factorization.

124551055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24910216.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 124551055 is about 11160.2443969655. The cubic root of 124551055 is about 499.4006886054.

The spelling of 124551055 in words is "one hundred twenty-four million, five hundred fifty-one thousand, fifty-five".