1254891 has 12 divisors (see below), whose sum is σ = 1839656. Its totient is φ = 760320.

The previous prime is 1254863. The next prime is 1254899. The reversal of 1254891 is 1984521.

It is a happy number.

It is not a de Polignac number, because 1254891 - 2¹¹ = 1252843 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1366 + ... + 2091.

2^1254891 is an apocalyptic number.

1254891 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1254891 is a deficient number, since it is larger than the sum of its proper divisors (584765).

1254891 is a wasteful number, since it uses less digits than its factorization.

1254891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3482 (or 3471 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 1254891 is about 1120.2191749832. The cubic root of 1254891 is about 107.8620495198.

It can be divided in two parts, 1254 and 891, that added together give a triangular number (2145 = T₆₅).

The spelling of 1254891 in words is "one million, two hundred fifty-four thousand, eight hundred ninety-one".