1215330 has 32 divisors (see below), whose sum is σ = 3089664. Its totient is φ = 304896.

The previous prime is 1215329. The next prime is 1215349. The reversal of 1215330 is 335121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682 + ... + 1701.

It is an arithmetic number, because the mean of its divisors is an integer number (96552).

2^1215330 is an apocalyptic number.

1215330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1215330 is an abundant number, since it is smaller than the sum of its proper divisors (1874334).

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

1215330 is a wasteful number, since it uses less digits than its factorization.

1215330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1215330 is about 1102.4200651294. The cubic root of 1215330 is about 106.7164589581.

The spelling of 1215330 in words is "one million, two hundred fifteen thousand, three hundred thirty".