1254159 has 12 divisors (see below), whose sum is σ = 1821352. Its totient is φ = 831600.

The previous prime is 1254157. The next prime is 1254161. The reversal of 1254159 is 9514521.

It is an interprime number because it is at equal distance from previous prime (1254157) and next prime (1254161).

It is not a de Polignac number, because 1254159 - 2¹ = 1254157 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 (1254151) 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, 2769 + ... + 3189.

2^1254159 is an apocalyptic number.

1254159 is a deficient number, since it is larger than the sum of its proper divisors (567193).

1254159 is a wasteful number, since it uses less digits than its factorization.

1254159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 755 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 1254159 is about 1119.8924055462. The cubic root of 1254159 is about 107.8410728301.

The spelling of 1254159 in words is "one million, two hundred fifty-four thousand, one hundred fifty-nine".