1049142 has 16 divisors (see below), whose sum is σ = 2208960. Its totient is φ = 331272.

The previous prime is 1049141. The next prime is 1049143. The reversal of 1049142 is 2419401.

It is an interprime number because it is at equal distance from previous prime (1049141) and next prime (1049143).

It is a super-2 number, since 2×1049142² = 2201397872328, which contains 22 as substring.

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049141) 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, 4488 + ... + 4715.

It is an arithmetic number, because the mean of its divisors is an integer number (138060).

2^1049142 is an apocalyptic number.

1049142 is an abundant number, since it is smaller than the sum of its proper divisors (1159818).

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

1049142 is a wasteful number, since it uses less digits than its factorization.

1049142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9227.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1049142 is about 1024.2763299032. The cubic root of 1049142 is about 101.6119434365.

The spelling of 1049142 in words is "one million, forty-nine thousand, one hundred forty-two".