1520122053 has 4 divisors (see below), whose sum is σ = 2026829408. Its totient is φ = 1013414700.

The previous prime is 1520122039. The next prime is 1520122117. The reversal of 1520122053 is 3502210251.

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 not a de Polignac number, because 1520122053 - 2²⁰ = 1519073477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520122553) 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, 253353673 + ... + 253353678.

It is an arithmetic number, because the mean of its divisors is an integer number (506707352).

Almost surely, 2^1520122053 is an apocalyptic number.

It is an amenable number.

1520122053 is a deficient number, since it is larger than the sum of its proper divisors (506707355).

1520122053 is an equidigital number, since it uses as much as digits as its factorization.

1520122053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506707354.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1520122053 is about 38988.7426445121. The cubic root of 1520122053 is about 1149.8101899712.

The spelling of 1520122053 in words is "one billion, five hundred twenty million, one hundred twenty-two thousand, fifty-three".