1207152831 has 4 divisors (see below), whose sum is σ = 1609537112. Its totient is φ = 804768552.

The previous prime is 1207152829. The next prime is 1207152839. The reversal of 1207152831 is 1382517021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1382517021 = 3 ⋅460839007.

It is not a de Polignac number, because 1207152831 - 2¹ = 1207152829 is a prime.

It is a super-2 number, since 2×1207152831² = 2914435914782629122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1207152839) 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, 201192136 + ... + 201192141.

It is an arithmetic number, because the mean of its divisors is an integer number (402384278).

Almost surely, 2^1207152831 is an apocalyptic number.

1207152831 is a deficient number, since it is larger than the sum of its proper divisors (402384281).

1207152831 is an equidigital number, since it uses as much as digits as its factorization.

1207152831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402384280.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 1207152831 is about 34744.1049819966. The cubic root of 1207152831 is about 1064.7657815515.

Adding to 1207152831 its reverse (1382517021), we get a palindrome (2589669852).

The spelling of 1207152831 in words is "one billion, two hundred seven million, one hundred fifty-two thousand, eight hundred thirty-one".