1161302725 has 24 divisors (see below), whose sum is σ = 1663339968. Its totient is φ = 794899200.

The previous prime is 1161302719. The next prime is 1161302731. The reversal of 1161302725 is 5272031611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1161302719) and next prime (1161302731).

It is not a de Polignac number, because 1161302725 - 2⁹ = 1161302213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1161302693 and 1161302702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119529 + ... + 128878.

It is an arithmetic number, because the mean of its divisors is an integer number (69305832).

Almost surely, 2^1161302725 is an apocalyptic number.

It is an amenable number.

1161302725 is a deficient number, since it is larger than the sum of its proper divisors (502037243).

1161302725 is a wasteful number, since it uses less digits than its factorization.

1161302725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248445 (or 248440 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1161302725 is about 34077.8920269432. The cubic root of 1161302725 is about 1051.1107595469.

The spelling of 1161302725 in words is "one billion, one hundred sixty-one million, three hundred two thousand, seven hundred twenty-five".