253122121435 has 32 divisors (see below), whose sum is σ = 332836827840. Its totient is φ = 183940743168.

The previous prime is 253122121411. The next prime is 253122121457. The reversal of 253122121435 is 534121221352.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 253122121435 - 2²³ = 253113732827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253122121397 and 253122121406.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6594459 + ... + 6632731.

It is an arithmetic number, because the mean of its divisors is an integer number (10401150870).

Almost surely, 2^253122121435 is an apocalyptic number.

253122121435 is a deficient number, since it is larger than the sum of its proper divisors (79714706405).

253122121435 is a wasteful number, since it uses less digits than its factorization.

253122121435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41007.

The product of its digits is 14400, while the sum is 31.

Adding to 253122121435 its reverse (534121221352), we get a palindrome (787243342787).

The spelling of 253122121435 in words is "two hundred fifty-three billion, one hundred twenty-two million, one hundred twenty-one thousand, four hundred thirty-five".