1269980 has 12 divisors (see below), whose sum is σ = 2667000. Its totient is φ = 507984.

The previous prime is 1269971. The next prime is 1270001. The reversal of 1269980 is 899621.

It is a super-2 number, since 2×1269980² = 3225698400800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1269980.

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, 31730 + ... + 31769.

It is an arithmetic number, because the mean of its divisors is an integer number (222250).

2^1269980 is an apocalyptic number.

1269980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1269980 is an abundant number, since it is smaller than the sum of its proper divisors (1397020).

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

1269980 is a wasteful number, since it uses less digits than its factorization.

1269980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63508 (or 63506 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1269980 is about 1126.9338933584. The cubic root of 1269980 is about 108.2926448119.

The spelling of 1269980 in words is "one million, two hundred sixty-nine thousand, nine hundred eighty".