1161725 has 12 divisors (see below), whose sum is σ = 1488000. Its totient is φ = 898800.

The previous prime is 1161703. The next prime is 1161749. The reversal of 1161725 is 5271611.

It is not a de Polignac number, because 1161725 - 2¹⁶ = 1096189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1161725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26 + ... + 1524.

It is an arithmetic number, because the mean of its divisors is an integer number (124000).

2^1161725 is an apocalyptic number.

It is an amenable number.

1161725 is a deficient number, since it is larger than the sum of its proper divisors (326275).

1161725 is a wasteful number, since it uses less digits than its factorization.

1161725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540 (or 1535 counting only the distinct ones).

The product of its digits is 420, while the sum is 23.

The square root of 1161725 is about 1077.8334750786. The cubic root of 1161725 is about 105.1238146374.

The spelling of 1161725 in words is "one million, one hundred sixty-one thousand, seven hundred twenty-five".