1245980 has 12 divisors (see below), whose sum is σ = 2616600. Its totient is φ = 498384.

The previous prime is 1245973. The next prime is 1246013. The reversal of 1245980 is 895421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31130 + ... + 31169.

It is an arithmetic number, because the mean of its divisors is an integer number (218050).

2^1245980 is an apocalyptic number.

1245980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245980 is an abundant number, since it is smaller than the sum of its proper divisors (1370620).

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

1245980 is a wasteful number, since it uses less digits than its factorization.

1245980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62308 (or 62306 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1245980 is about 1116.2347423369. The cubic root of 1245980 is about 107.6061327885.

The spelling of 1245980 in words is "one million, two hundred forty-five thousand, nine hundred eighty".