1142648 has 16 divisors (see below), whose sum is σ = 2307480. Its totient is φ = 527328.

The previous prime is 1142633. The next prime is 1142651. The reversal of 1142648 is 8462411.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5390 + ... + 5597.

2^1142648 is an apocalyptic number.

It is an amenable number.

1142648 is an abundant number, since it is smaller than the sum of its proper divisors (1164832).

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

1142648 is a wasteful number, since it uses less digits than its factorization.

1142648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11006 (or 11002 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 1142648 is about 1068.9471455596. The cubic root of 1142648 is about 104.5452136788.

The spelling of 1142648 in words is "one million, one hundred forty-two thousand, six hundred forty-eight".