1161542 has 16 divisors (see below), whose sum is σ = 1866240. Its totient is φ = 540288.

The previous prime is 1161529. The next prime is 1161547. The reversal of 1161542 is 2451611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4184 + ... + 4452.

It is an arithmetic number, because the mean of its divisors is an integer number (116640).

2^1161542 is an apocalyptic number.

1161542 is a deficient number, since it is larger than the sum of its proper divisors (704698).

1161542 is a wasteful number, since it uses less digits than its factorization.

1161542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415.

The product of its digits is 240, while the sum is 20.

The square root of 1161542 is about 1077.7485792150. The cubic root of 1161542 is about 105.1182944933.

The spelling of 1161542 in words is "one million, one hundred sixty-one thousand, five hundred forty-two".