1115370 has 72 divisors (see below), whose sum is σ = 3188484. Its totient is φ = 279936.

The previous prime is 1115363. The next prime is 1115381. The reversal of 1115370 is 735111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1108809 + 6561 = 1053^2 + 81^2 .

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 65602 + ... + 65618.

2^1115370 is an apocalyptic number.

1115370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1594242).

1115370 is an abundant number, since it is smaller than the sum of its proper divisors (2073114).

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

1115370 is an frugal number, since it uses more digits than its factorization.

1115370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 1115370 is about 1056.1107896428. The cubic root of 1115370 is about 103.7065817260.

It can be divided in two parts, 1115 and 370, that added together give a triangular number (1485 = T₅₄).

The spelling of 1115370 in words is "one million, one hundred fifteen thousand, three hundred seventy".