1201134625 has 16 divisors (see below), whose sum is σ = 1501241040. Its totient is φ = 959481600.

The previous prime is 1201134617. The next prime is 1201134667. The reversal of 1201134625 is 5264311021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 453221521 + 747913104 = 21289^2 + 27348^2 .

It is not a de Polignac number, because 1201134625 - 2³ = 1201134617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1201134625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81849 + ... + 95401.

It is an arithmetic number, because the mean of its divisors is an integer number (93827565).

Almost surely, 2^1201134625 is an apocalyptic number.

It is an amenable number.

1201134625 is a deficient number, since it is larger than the sum of its proper divisors (300106415).

1201134625 is an equidigital number, since it uses as much as digits as its factorization.

1201134625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14277 (or 14267 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1201134625 is about 34657.3891832608. The cubic root of 1201134625 is about 1062.9933856181.

Adding to 1201134625 its reverse (5264311021), we get a palindrome (6465445646).

The spelling of 1201134625 in words is "one billion, two hundred one million, one hundred thirty-four thousand, six hundred twenty-five".