1115642 has 32 divisors (see below), whose sum is σ = 2047680. Its totient is φ = 449280.

The previous prime is 1115641. The next prime is 1115657. The reversal of 1115642 is 2465111.

It is not an unprimeable number, because it can be changed into a prime (1115641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7028 + ... + 7184.

It is an arithmetic number, because the mean of its divisors is an integer number (63990).

2^1115642 is an apocalyptic number.

1115642 is a deficient number, since it is larger than the sum of its proper divisors (932038).

1115642 is a wasteful number, since it uses less digits than its factorization.

1115642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206.

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

The square root of 1115642 is about 1056.2395561614. The cubic root of 1115642 is about 103.7150111851.

The spelling of 1115642 in words is "one million, one hundred fifteen thousand, six hundred forty-two".