1262990 has 16 divisors (see below), whose sum is σ = 2317248. Its totient is φ = 495456.

The previous prime is 1262957. The next prime is 1263007. The reversal of 1262990 is 992621.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662 + ... + 1721.

It is an arithmetic number, because the mean of its divisors is an integer number (144828).

2^1262990 is an apocalyptic number.

1262990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1262990 is a deficient number, since it is larger than the sum of its proper divisors (1054258).

1262990 is a wasteful number, since it uses less digits than its factorization.

1262990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1262990 is about 1123.8282786974. The cubic root of 1262990 is about 108.0935974161.

The spelling of 1262990 in words is "one million, two hundred sixty-two thousand, nine hundred ninety".