1135431 has 16 divisors (see below), whose sum is σ = 1835520. Its totient is φ = 687960.

The previous prime is 1135429. The next prime is 1135439. The reversal of 1135431 is 1345311.

It is not a de Polignac number, because 1135431 - 2¹ = 1135429 is a prime.

It is a super-2 number, since 2×1135431² = 2578407111522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1615 + ... + 2208.

It is an arithmetic number, because the mean of its divisors is an integer number (114720).

2^1135431 is an apocalyptic number.

1135431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1135431 is a deficient number, since it is larger than the sum of its proper divisors (700089).

1135431 is a wasteful number, since it uses less digits than its factorization.

1135431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843 (or 3837 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 1135431 is about 1065.5660467564. The cubic root of 1135431 is about 104.3246450545.

The spelling of 1135431 in words is "one million, one hundred thirty-five thousand, four hundred thirty-one".