124402101 has 32 divisors (see below), whose sum is σ = 188129280. Its totient is φ = 72705600.

The previous prime is 124402093. The next prime is 124402121. The reversal of 124402101 is 101204421.

It is not a de Polignac number, because 124402101 - 2³ = 124402093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124402121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39111 + ... + 42171.

It is an arithmetic number, because the mean of its divisors is an integer number (5879040).

Almost surely, 2^124402101 is an apocalyptic number.

It is an amenable number.

124402101 is a deficient number, since it is larger than the sum of its proper divisors (63727179).

124402101 is a wasteful number, since it uses less digits than its factorization.

124402101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 124402101 is about 11153.5689803757. The cubic root of 124402101 is about 499.2015268935.

Adding to 124402101 its reverse (101204421), we get a palindrome (225606522).

It can be divided in two parts, 12440 and 2101, that added together give a palindrome (14541).

The spelling of 124402101 in words is "one hundred twenty-four million, four hundred two thousand, one hundred one".