124701889 has 9 divisors (see below), whose sum is σ = 135189603. Its totient is φ = 114975432.

The previous prime is 124701887. The next prime is 124701947. The reversal of 124701889 is 988107421.

It is a happy number.

The square root of 124701889 is 11167.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18447025 + 106254864 = 4295^2 + 10308^2 .

It is not a de Polignac number, because 124701889 - 2¹ = 124701887 is a prime.

It is a super-2 number, since 2×124701889² = 31101122240336642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124701887) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 144742 + ... + 145600.

It is an arithmetic number, because the mean of its divisors is an integer number (15021067).

Almost surely, 2^124701889 is an apocalyptic number.

124701889 is the 11167-th square number.

124701889 is the 5584-th centered octagonal number.

It is an amenable number.

124701889 is a deficient number, since it is larger than the sum of its proper divisors (10487714).

124701889 is an frugal number, since it uses more digits than its factorization.

124701889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The cubic root of 124701889 is about 499.6022022645.

The spelling of 124701889 in words is "one hundred twenty-four million, seven hundred one thousand, eight hundred eighty-nine".