1452139 has 8 divisors (see below), whose sum is σ = 1606640. Its totient is φ = 1303776.

The previous prime is 1452131. The next prime is 1452149. The reversal of 1452139 is 9312541.

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

It is a cyclic number.

It is not a de Polignac number, because 1452139 - 2³ = 1452131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1452131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029 + ... + 1990.

It is an arithmetic number, because the mean of its divisors is an integer number (200830).

2^1452139 is an apocalyptic number.

1452139 is a deficient number, since it is larger than the sum of its proper divisors (154501).

1452139 is a wasteful number, since it uses less digits than its factorization.

1452139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069.

The product of its digits is 1080, while the sum is 25.

The square root of 1452139 is about 1205.0473019762. The cubic root of 1452139 is about 113.2407481067.

The spelling of 1452139 in words is "one million, four hundred fifty-two thousand, one hundred thirty-nine".