1142499 has 8 divisors (see below), whose sum is σ = 1528912. Its totient is φ = 758880.

The previous prime is 1142483. The next prime is 1142503. The reversal of 1142499 is 9942411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1142499 - 2⁴ = 1142483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142599) 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, 609 + ... + 1629.

It is an arithmetic number, because the mean of its divisors is an integer number (191114).

2^1142499 is an apocalyptic number.

1142499 is a deficient number, since it is larger than the sum of its proper divisors (386413).

1142499 is a wasteful number, since it uses less digits than its factorization.

1142499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397.

The product of its digits is 2592, while the sum is 30.

The square root of 1142499 is about 1068.8774485412. The cubic root of 1142499 is about 104.5406692889.

The spelling of 1142499 in words is "one million, one hundred forty-two thousand, four hundred ninety-nine".