1161426 has 16 divisors (see below), whose sum is σ = 2654784. Its totient is φ = 331824.

The previous prime is 1161403. The next prime is 1161437. The reversal of 1161426 is 6241611.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 13785 + ... + 13868.

It is an arithmetic number, because the mean of its divisors is an integer number (165924).

2^1161426 is an apocalyptic number.

1161426 is an abundant number, since it is smaller than the sum of its proper divisors (1493358).

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

1161426 is a wasteful number, since it uses less digits than its factorization.

1161426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27665.

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

The square root of 1161426 is about 1077.6947619804. The cubic root of 1161426 is about 105.1147950853.

The spelling of 1161426 in words is "one million, one hundred sixty-one thousand, four hundred twenty-six".