1542172 has 12 divisors (see below), whose sum is σ = 2857680. Its totient is φ = 725696.

The previous prime is 1542137. The next prime is 1542179. The reversal of 1542172 is 2712451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11272 + ... + 11407.

It is an arithmetic number, because the mean of its divisors is an integer number (238140).

2^1542172 is an apocalyptic number.

It is an amenable number.

1542172 is a deficient number, since it is larger than the sum of its proper divisors (1315508).

1542172 is a wasteful number, since it uses less digits than its factorization.

1542172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22700 (or 22698 counting only the distinct ones).

The product of its digits is 560, while the sum is 22.

The square root of 1542172 is about 1241.8421799891. The cubic root of 1542172 is about 115.5343001394.

The spelling of 1542172 in words is "one million, five hundred forty-two thousand, one hundred seventy-two".