1161590 has 8 divisors (see below), whose sum is σ = 2090880. Its totient is φ = 464632.

The previous prime is 1161581. The next prime is 1161599. The reversal of 1161590 is 951611.

It is an interprime number because it is at equal distance from previous prime (1161581) and next prime (1161599).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161599) 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, 58070 + ... + 58089.

It is an arithmetic number, because the mean of its divisors is an integer number (261360).

2^1161590 is an apocalyptic number.

1161590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161590 is a deficient number, since it is larger than the sum of its proper divisors (929290).

1161590 is a wasteful number, since it uses less digits than its factorization.

1161590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116166.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 1161590 is about 1077.7708476295. The cubic root of 1161590 is about 105.1197424560.

The spelling of 1161590 in words is "one million, one hundred sixty-one thousand, five hundred ninety".