1291254 has 32 divisors (see below), whose sum is σ = 2751840. Its totient is φ = 403200.

The previous prime is 1291249. The next prime is 1291271. The reversal of 1291254 is 4521921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7044 + ... + 7224.

It is an arithmetic number, because the mean of its divisors is an integer number (85995).

2^1291254 is an apocalyptic number.

1291254 is an abundant number, since it is smaller than the sum of its proper divisors (1460586).

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

1291254 is a wasteful number, since it uses less digits than its factorization.

1291254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256.

The product of its digits is 720, while the sum is 24.

The square root of 1291254 is about 1136.3335777843. Note that the first 3 decimals coincide. The cubic root of 1291254 is about 108.8939855235.

The spelling of 1291254 in words is "one million, two hundred ninety-one thousand, two hundred fifty-four".