1172196725 has 48 divisors (see below), whose sum is σ = 1744055040. Its totient is φ = 764121600.

The previous prime is 1172196721. The next prime is 1172196731. The reversal of 1172196725 is 5276912711.

It is not a de Polignac number, because 1172196725 - 2² = 1172196721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172196721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 727721 + ... + 729329.

It is an arithmetic number, because the mean of its divisors is an integer number (36334480).

Almost surely, 2^1172196725 is an apocalyptic number.

It is an amenable number.

1172196725 is a deficient number, since it is larger than the sum of its proper divisors (571858315).

1172196725 is a wasteful number, since it uses less digits than its factorization.

1172196725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830 (or 1825 counting only the distinct ones).

The product of its digits is 52920, while the sum is 41.

The square root of 1172196725 is about 34237.3586159914. The cubic root of 1172196725 is about 1054.3873039990.

The spelling of 1172196725 in words is "one billion, one hundred seventy-two million, one hundred ninety-six thousand, seven hundred twenty-five".