1298136 has 32 divisors (see below), whose sum is σ = 3709440. Its totient is φ = 370848.

The previous prime is 1298131. The next prime is 1298149. The reversal of 1298136 is 6318921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298131) 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, 3696 + ... + 4031.

It is an arithmetic number, because the mean of its divisors is an integer number (115920).

2^1298136 is an apocalyptic number.

It is an amenable number.

1298136 is an abundant number, since it is smaller than the sum of its proper divisors (2411304).

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

1298136 is a wasteful number, since it uses less digits than its factorization.

1298136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7743 (or 7739 counting only the distinct ones).

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

The square root of 1298136 is about 1139.3577138019. The cubic root of 1298136 is about 109.0871003721.

The spelling of 1298136 in words is "one million, two hundred ninety-eight thousand, one hundred thirty-six".