124155115122253 has 4 divisors (see below), whose sum is σ = 124295721142528. Its totient is φ = 124014509101980.

The previous prime is 124155115122193. The next prime is 124155115122287. The reversal of 124155115122253 is 352221511551421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124155115122253 is a prime.

It is a super-2 number, since 2×124155115122253² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124155115122293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70303008813 + ... + 70303010578.

It is an arithmetic number, because the mean of its divisors is an integer number (31073930285632).

Almost surely, 2^{124155115122253} is an apocalyptic number.

It is an amenable number.

124155115122253 is a deficient number, since it is larger than the sum of its proper divisors (140606020275).

124155115122253 is an equidigital number, since it uses as much as digits as its factorization.

124155115122253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140606020274.

The product of its digits is 120000, while the sum is 40.

Adding to 124155115122253 its reverse (352221511551421), we get a palindrome (476376626673674).

The spelling of 124155115122253 in words is "one hundred twenty-four trillion, one hundred fifty-five billion, one hundred fifteen million, one hundred twenty-two thousand, two hundred fifty-three".