1521142 has 16 divisors (see below), whose sum is σ = 2626560. Its totient is φ = 647208.

The previous prime is 1521133. The next prime is 1521193. The reversal of 1521142 is 2411251.

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, 2203 + ... + 2809.

It is an arithmetic number, because the mean of its divisors is an integer number (164160).

2^1521142 is an apocalyptic number.

1521142 is a deficient number, since it is larger than the sum of its proper divisors (1105418).

1521142 is a wasteful number, since it uses less digits than its factorization.

1521142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795.

The product of its digits is 80, while the sum is 16.

The square root of 1521142 is about 1233.3458557923. The cubic root of 1521142 is about 115.0067292849.

Adding to 1521142 its reverse (2411251), we get a palindrome (3932393).

The spelling of 1521142 in words is "one million, five hundred twenty-one thousand, one hundred forty-two".