1172642 has 8 divisors (see below), whose sum is σ = 1851600. Its totient is φ = 555444.

The previous prime is 1172579. The next prime is 1172657. The reversal of 1172642 is 2462711.

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

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, 15392 + ... + 15467.

It is an arithmetic number, because the mean of its divisors is an integer number (231450).

2^1172642 is an apocalyptic number.

1172642 is a deficient number, since it is larger than the sum of its proper divisors (678958).

1172642 is a wasteful number, since it uses less digits than its factorization.

1172642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30880.

The product of its digits is 672, while the sum is 23.

The square root of 1172642 is about 1082.8859589080. The cubic root of 1172642 is about 105.4520794923.

The spelling of 1172642 in words is "one million, one hundred seventy-two thousand, six hundred forty-two".