124400102 has 4 divisors (see below), whose sum is σ = 186600156. Its totient is φ = 62200050.

The previous prime is 124400093. The next prime is 124400113. The reversal of 124400102 is 201004421.

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

It is a super-2 number, since 2×124400102² = 30950770755220808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31100024 + ... + 31100027.

It is an arithmetic number, because the mean of its divisors is an integer number (46650039).

Almost surely, 2^124400102 is an apocalyptic number.

124400102 is a deficient number, since it is larger than the sum of its proper divisors (62200054).

124400102 is an equidigital number, since it uses as much as digits as its factorization.

124400102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62200053.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 124400102 is about 11153.4793674440. The cubic root of 124400102 is about 499.1988530126.

Adding to 124400102 its reverse (201004421), we get a palindrome (325404523).

The spelling of 124400102 in words is "one hundred twenty-four million, four hundred thousand, one hundred two".