1251546 has 8 divisors (see below), whose sum is σ = 2503104. Its totient is φ = 417180.

The previous prime is 1251533. The next prime is 1251571. The reversal of 1251546 is 6451521.

It is a sphenic number, since it is the product of 3 distinct primes.

1251546 is an admirable 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, 104290 + ... + 104301.

It is an arithmetic number, because the mean of its divisors is an integer number (312888).

2^1251546 is an apocalyptic number.

1251546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1251546 is a wasteful number, since it uses less digits than its factorization.

1251546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208596.

The product of its digits is 1200, while the sum is 24.

The square root of 1251546 is about 1118.7251673222. The cubic root of 1251546 is about 107.7661262858.

It can be divided in two parts, 12515 and 46, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 1251546 in words is "one million, two hundred fifty-one thousand, five hundred forty-six".