1207250131 has 4 divisors (see below), whose sum is σ = 1232936352. Its totient is φ = 1181563912.

The previous prime is 1207250119. The next prime is 1207250141. The reversal of 1207250131 is 1310527021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1310527021 = 907 ⋅1444903.

It is a cyclic number.

It is not a de Polignac number, because 1207250131 - 2⁷ = 1207250003 is a prime.

It is a super-2 number, since 2×1207250131² = 2914905757599034322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1207250141) 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, 12843040 + ... + 12843133.

It is an arithmetic number, because the mean of its divisors is an integer number (308234088).

Almost surely, 2^1207250131 is an apocalyptic number.

1207250131 is a deficient number, since it is larger than the sum of its proper divisors (25686221).

1207250131 is an equidigital number, since it uses as much as digits as its factorization.

1207250131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25686220.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1207250131 is about 34745.5051913194. The cubic root of 1207250131 is about 1064.7943885139.

Adding to 1207250131 its reverse (1310527021), we get a palindrome (2517777152).

The spelling of 1207250131 in words is "one billion, two hundred seven million, two hundred fifty thousand, one hundred thirty-one".