1298620 has 24 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 501312.

The previous prime is 1298617. The next prime is 1298641. The reversal of 1298620 is 268921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540 + ... + 1699.

It is an arithmetic number, because the mean of its divisors is an integer number (117600).

2^1298620 is an apocalyptic number.

1298620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1298620 is an abundant number, since it is smaller than the sum of its proper divisors (1523780).

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

1298620 is a wasteful number, since it uses less digits than its factorization.

1298620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277 (or 2275 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1298620 is about 1139.5700943777. The cubic root of 1298620 is about 109.1006561156.

The spelling of 1298620 in words is "one million, two hundred ninety-eight thousand, six hundred twenty".