1042492140 has 48 divisors (see below), whose sum is σ = 3243310560. Its totient is φ = 277997760.

The previous prime is 1042492127. The next prime is 1042492141. The reversal of 1042492140 is 412942401.

It is a happy number.

1042492140 is a `hidden beast` number, since 10 + 424 + 92 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1042492141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964731 + ... + 965810.

It is an arithmetic number, because the mean of its divisors is an integer number (67568970).

Almost surely, 2^1042492140 is an apocalyptic number.

1042492140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042492140 is an abundant number, since it is smaller than the sum of its proper divisors (2200818420).

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

1042492140 is a wasteful number, since it uses less digits than its factorization.

1042492140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930559 (or 1930551 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1042492140 is about 32287.6468637775. The cubic root of 1042492140 is about 1013.9680323244.

The spelling of 1042492140 in words is "one billion, forty-two million, four hundred ninety-two thousand, one hundred forty".