1154642 has 8 divisors (see below), whose sum is σ = 1774332. Its totient is φ = 563200.

The previous prime is 1154639. The next prime is 1154651. The reversal of 1154642 is 2464511.

It can be written as a sum of positive squares in 2 ways, for example, as 1142761 + 11881 = 1069^2 + 109^2 .

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, 6959 + ... + 7122.

2^1154642 is an apocalyptic number.

1154642 is a deficient number, since it is larger than the sum of its proper divisors (619690).

1154642 is a wasteful number, since it uses less digits than its factorization.

1154642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14124.

The product of its digits is 960, while the sum is 23.

The square root of 1154642 is about 1074.5426934282. The cubic root of 1154642 is about 104.9097334573.

The spelling of 1154642 in words is "one million, one hundred fifty-four thousand, six hundred forty-two".