124111402 has 4 divisors (see below), whose sum is σ = 186167106. Its totient is φ = 62055700.

The previous prime is 124111367. The next prime is 124111409. The reversal of 124111402 is 204111421.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 72573361 + 51538041 = 8519^2 + 7179^2 .

It is not an unprimeable number, because it can be changed into a prime (124111409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31027849 + ... + 31027852.

Almost surely, 2^124111402 is an apocalyptic number.

124111402 is a deficient number, since it is larger than the sum of its proper divisors (62055704).

124111402 is an equidigital number, since it uses as much as digits as its factorization.

124111402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62055703.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 124111402 is about 11140.5297001534. The cubic root of 124111402 is about 498.8123840367.

Adding to 124111402 its reverse (204111421), we get a palindrome (328222823).

The spelling of 124111402 in words is "one hundred twenty-four million, one hundred eleven thousand, four hundred two".