7191142 has 12 divisors (see below), whose sum is σ = 12547980. Its totient is φ = 3081876.

The previous prime is 7191131. The next prime is 7191161. The reversal of 7191142 is 2411917.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36592 + ... + 36787.

It is an arithmetic number, because the mean of its divisors is an integer number (1045665).

Almost surely, 2^7191142 is an apocalyptic number.

7191142 is a deficient number, since it is larger than the sum of its proper divisors (5356838).

7191142 is a wasteful number, since it uses less digits than its factorization.

7191142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73395 (or 73388 counting only the distinct ones).

The product of its digits is 504, while the sum is 25.

The square root of 7191142 is about 2681.6304741705. The cubic root of 7191142 is about 193.0186564155.

The spelling of 7191142 in words is "seven million, one hundred ninety-one thousand, one hundred forty-two".