1237968 has 30 divisors (see below), whose sum is σ = 3464994. Its totient is φ = 412608.

The previous prime is 1237967. The next prime is 1237993. The reversal of 1237968 is 8697321.

It can be written as a sum of positive squares in only one way, i.e., 1140624 + 97344 = 1068^2 + 312^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1237961) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4155 + ... + 4442.

2^1237968 is an apocalyptic number.

1237968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1237968 is an abundant number, since it is smaller than the sum of its proper divisors (2227026).

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

1237968 is a wasteful number, since it uses less digits than its factorization.

1237968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8611 (or 8602 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1237968 is about 1112.6401035375. The cubic root of 1237968 is about 107.3749907957.

The spelling of 1237968 in words is "one million, two hundred thirty-seven thousand, nine hundred sixty-eight".