1190725553 has 4 divisors (see below), whose sum is σ = 1205071728. Its totient is φ = 1176379380.

The previous prime is 1190725517. The next prime is 1190725559. The reversal of 1190725553 is 3555270911.

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 not a de Polignac number, because 1190725553 - 2⁶ = 1190725489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1190725559) 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, 7172963 + ... + 7173128.

It is an arithmetic number, because the mean of its divisors is an integer number (301267932).

Almost surely, 2^1190725553 is an apocalyptic number.

It is an amenable number.

1190725553 is a deficient number, since it is larger than the sum of its proper divisors (14346175).

1190725553 is an equidigital number, since it uses as much as digits as its factorization.

1190725553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14346174.

The product of its (nonzero) digits is 47250, while the sum is 38.

The square root of 1190725553 is about 34506.8913841859. The cubic root of 1190725553 is about 1059.9138273961.

The spelling of 1190725553 in words is "one billion, one hundred ninety million, seven hundred twenty-five thousand, five hundred fifty-three".