1091974 has 8 divisors (see below), whose sum is σ = 1764000. Its totient is φ = 503976.

The previous prime is 1091957. The next prime is 1091983. The reversal of 1091974 is 4791901.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20974 + ... + 21025.

It is an arithmetic number, because the mean of its divisors is an integer number (220500).

2^1091974 is an apocalyptic number.

1091974 is a deficient number, since it is larger than the sum of its proper divisors (672026).

1091974 is a wasteful number, since it uses less digits than its factorization.

1091974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42014.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 1091974 is about 1044.9755978012. The cubic root of 1091974 is about 102.9763354061.

The spelling of 1091974 in words is "one million, ninety-one thousand, nine hundred seventy-four".