1200468531 has 4 divisors (see below), whose sum is σ = 1600624712. Its totient is φ = 800312352.

The previous prime is 1200468499. The next prime is 1200468569. The reversal of 1200468531 is 1358640021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1358640021 = 3 ⋅452880007.

It is not a de Polignac number, because 1200468531 - 2⁵ = 1200468499 is a prime.

It is a super-2 number, since 2×1200468531² = 2882249387842595922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200468131) 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, 200078086 + ... + 200078091.

It is an arithmetic number, because the mean of its divisors is an integer number (400156178).

Almost surely, 2^1200468531 is an apocalyptic number.

1200468531 is a deficient number, since it is larger than the sum of its proper divisors (400156181).

1200468531 is an equidigital number, since it uses as much as digits as its factorization.

1200468531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400156180.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1200468531 is about 34647.7781538730. The cubic root of 1200468531 is about 1062.7968535429.

The spelling of 1200468531 in words is "one billion, two hundred million, four hundred sixty-eight thousand, five hundred thirty-one".