1042740 has 48 divisors (see below), whose sum is σ = 3245760. Its totient is φ = 277920.

The previous prime is 1042733. The next prime is 1042759. The reversal of 1042740 is 472401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426 + ... + 1505.

It is an arithmetic number, because the mean of its divisors is an integer number (67620).

2^1042740 is an apocalyptic number.

1042740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042740 is an abundant number, since it is smaller than the sum of its proper divisors (2203020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042740 is a wasteful number, since it uses less digits than its factorization.

1042740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949 (or 1941 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 1042740 is about 1021.1464145753. The cubic root of 1042740 is about 101.4048385353.

The spelling of 1042740 in words is "one million, forty-two thousand, seven hundred forty".