124221134 has 4 divisors (see below), whose sum is σ = 186331704. Its totient is φ = 62110566.

The previous prime is 124221131. The next prime is 124221179. The reversal of 124221134 is 431122421.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124221131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31055282 + ... + 31055285.

It is an arithmetic number, because the mean of its divisors is an integer number (46582926).

Almost surely, 2^124221134 is an apocalyptic number.

124221134 is a deficient number, since it is larger than the sum of its proper divisors (62110570).

124221134 is an equidigital number, since it uses as much as digits as its factorization.

124221134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62110569.

The product of its digits is 384, while the sum is 20.

The square root of 124221134 is about 11145.4535125315. The cubic root of 124221134 is about 498.9593475878.

Adding to 124221134 its reverse (431122421), we get a palindrome (555343555).

The spelling of 124221134 in words is "one hundred twenty-four million, two hundred twenty-one thousand, one hundred thirty-four".