1262540 has 12 divisors (see below), whose sum is σ = 2651376. Its totient is φ = 505008.

The previous prime is 1262519. The next prime is 1262543. The reversal of 1262540 is 452621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 63127 = 1262540 / (1 + 2 + 6 + 2 + 5 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (1262543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31544 + ... + 31583.

It is an arithmetic number, because the mean of its divisors is an integer number (220948).

2^1262540 is an apocalyptic number.

1262540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1262540 is an abundant number, since it is smaller than the sum of its proper divisors (1388836).

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

1262540 is a wasteful number, since it uses less digits than its factorization.

1262540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63136 (or 63134 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1262540 is about 1123.6280523376. The cubic root of 1262540 is about 108.0807580701.

The spelling of 1262540 in words is "one million, two hundred sixty-two thousand, five hundred forty".