1326157 has 8 divisors (see below), whose sum is σ = 1581696. Its totient is φ = 1087152.

The previous prime is 1326151. The next prime is 1326161. The reversal of 1326157 is 7516231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1326157 is a prime.

It is a Duffinian number.

1326157 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326151) 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, 3958 + ... + 4279.

It is an arithmetic number, because the mean of its divisors is an integer number (197712).

2^1326157 is an apocalyptic number.

It is an amenable number.

1326157 is a deficient number, since it is larger than the sum of its proper divisors (255539).

1326157 is an equidigital number, since it uses as much as digits as its factorization.

1326157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8267.

The product of its digits is 1260, while the sum is 25.

The square root of 1326157 is about 1151.5889023432. The cubic root of 1326157 is about 109.8664218776.

The spelling of 1326157 in words is "one million, three hundred twenty-six thousand, one hundred fifty-seven".