1162412521 has 4 divisors (see below), whose sum is σ = 1162825092. Its totient is φ = 1161999952.

The previous prime is 1162412501. The next prime is 1162412551. The reversal of 1162412521 is 1252142611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1252142611 = 613 ⋅2042647.

It can be written as a sum of positive squares in 2 ways, for example, as 15642025 + 1146770496 = 3955^2 + 33864^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162412521 - 2²⁷ = 1028194793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1162412501) 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, 202030 + ... + 207703.

It is an arithmetic number, because the mean of its divisors is an integer number (290706273).

Almost surely, 2^1162412521 is an apocalyptic number.

It is an amenable number.

1162412521 is a deficient number, since it is larger than the sum of its proper divisors (412571).

1162412521 is an equidigital number, since it uses as much as digits as its factorization.

1162412521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412570.

The product of its digits is 960, while the sum is 25.

The square root of 1162412521 is about 34094.1713640323. The cubic root of 1162412521 is about 1051.4454833862.

The spelling of 1162412521 in words is "one billion, one hundred sixty-two million, four hundred twelve thousand, five hundred twenty-one".