1302990 has 48 divisors (see below), whose sum is σ = 3399408. Its totient is φ = 319488.

The previous prime is 1302953. The next prime is 1302991. The reversal of 1302990 is 992031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1302990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4942 + ... + 5198.

It is an arithmetic number, because the mean of its divisors is an integer number (70821).

2^1302990 is an apocalyptic number.

1302990 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 1302990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1699704).

1302990 is an abundant number, since it is smaller than the sum of its proper divisors (2096418).

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

1302990 is a wasteful number, since it uses less digits than its factorization.

1302990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 1302990 is about 1141.4858737628. The cubic root of 1302990 is about 109.2228976927. Note that the first 3 decimals are identical.

The spelling of 1302990 in words is "one million, three hundred two thousand, nine hundred ninety".