124220870 has 48 divisors (see below), whose sum is σ = 242304048. Its totient is φ = 45826560.

The previous prime is 124220839. The next prime is 124220893. The reversal of 124220870 is 78022421.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152765 + ... + 153575.

It is an arithmetic number, because the mean of its divisors is an integer number (5048001).

Almost surely, 2^124220870 is an apocalyptic number.

124220870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124220870 is a deficient number, since it is larger than the sum of its proper divisors (118083178).

124220870 is a wasteful number, since it uses less digits than its factorization.

124220870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 124220870 is about 11145.4416691309. The cubic root of 124220870 is about 498.9589941177.

The spelling of 124220870 in words is "one hundred twenty-four million, two hundred twenty thousand, eight hundred seventy".