120130051553 has 4 divisors (see below), whose sum is σ = 120130940160. Its totient is φ = 120129162948.

The previous prime is 120130051511. The next prime is 120130051597. The reversal of 120130051553 is 355150031021.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120130051553 is a prime.

It is a super-2 number, since 2×120130051553² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120130054553) 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, 194825 + ... + 527462.

It is an arithmetic number, because the mean of its divisors is an integer number (30032735040).

Almost surely, 2^120130051553 is an apocalyptic number.

It is an amenable number.

120130051553 is a deficient number, since it is larger than the sum of its proper divisors (888607).

120130051553 is an equidigital number, since it uses as much as digits as its factorization.

120130051553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888606.

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 120130051553 its reverse (355150031021), we get a palindrome (475280082574).

The spelling of 120130051553 in words is "one hundred twenty billion, one hundred thirty million, fifty-one thousand, five hundred fifty-three".