1042690 has 16 divisors (see below), whose sum is σ = 2047680. Its totient is φ = 379120.

The previous prime is 1042687. The next prime is 1042693. The reversal of 1042690 is 962401.

1042690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1042687) and next prime (1042693).

It is a super-2 number, since 2×1042690² = 2174404872200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1042693) 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, 4630 + ... + 4849.

It is an arithmetic number, because the mean of its divisors is an integer number (127980).

2^1042690 is an apocalyptic number.

1042690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042690 is a deficient number, since it is larger than the sum of its proper divisors (1004990).

1042690 is a wasteful number, since it uses less digits than its factorization.

1042690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9497.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1042690 is about 1021.1219319944. The cubic root of 1042690 is about 101.4032177020.

The spelling of 1042690 in words is "one million, forty-two thousand, six hundred ninety".