1397142 has 16 divisors (see below), whose sum is σ = 3104880. Its totient is φ = 465696.

The previous prime is 1397131. The next prime is 1397153. The reversal of 1397142 is 2417931.

It is an interprime number because it is at equal distance from previous prime (1397131) and next prime (1397153).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12883 + ... + 12990.

It is an arithmetic number, because the mean of its divisors is an integer number (194055).

2^1397142 is an apocalyptic number.

1397142 is an abundant number, since it is smaller than the sum of its proper divisors (1707738).

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

1397142 is a wasteful number, since it uses less digits than its factorization.

1397142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25884 (or 25878 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 1397142 is about 1182.0076141887. The cubic root of 1397142 is about 111.7927182297.

The spelling of 1397142 in words is "one million, three hundred ninety-seven thousand, one hundred forty-two".