1258331201 has 4 divisors (see below), whose sum is σ = 1260737712. Its totient is φ = 1255924692.

The previous prime is 1258331189. The next prime is 1258331203. The reversal of 1258331201 is 1021338521.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1258331201 is a prime.

It is a super-2 number, since 2×1258331201² = 3166794822820204802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1258331203) 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, 1202471 + ... + 1203516.

It is an arithmetic number, because the mean of its divisors is an integer number (315184428).

Almost surely, 2^1258331201 is an apocalyptic number.

It is an amenable number.

1258331201 is a deficient number, since it is larger than the sum of its proper divisors (2406511).

1258331201 is an equidigital number, since it uses as much as digits as its factorization.

1258331201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406510.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1258331201 is about 35472.9643672473. The cubic root of 1258331201 is about 1079.6052515387.

Adding to 1258331201 its reverse (1021338521), we get a palindrome (2279669722).

The spelling of 1258331201 in words is "one billion, two hundred fifty-eight million, three hundred thirty-one thousand, two hundred one".