1542942 has 16 divisors (see below), whose sum is σ = 3428880. Its totient is φ = 514296.

The previous prime is 1542941. The next prime is 1542973. The reversal of 1542942 is 2492451.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542941) 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, 14233 + ... + 14340.

It is an arithmetic number, because the mean of its divisors is an integer number (214305).

2^1542942 is an apocalyptic number.

1542942 is an abundant number, since it is smaller than the sum of its proper divisors (1885938).

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

1542942 is a wasteful number, since it uses less digits than its factorization.

1542942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28584 (or 28578 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1542942 is about 1242.1521645918. The cubic root of 1542942 is about 115.5535255369.

The spelling of 1542942 in words is "one million, five hundred forty-two thousand, nine hundred forty-two".