1404157 has 8 divisors (see below), whose sum is σ = 1488960. Its totient is φ = 1320480.

The previous prime is 1404133. The next prime is 1404163. The reversal of 1404157 is 7514041.

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 1404157 - 2¹⁵ = 1371389 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 (1404107) 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, 4857 + ... + 5137.

It is an arithmetic number, because the mean of its divisors is an integer number (186120).

2^1404157 is an apocalyptic number.

It is an amenable number.

1404157 is a deficient number, since it is larger than the sum of its proper divisors (84803).

1404157 is a wasteful number, since it uses less digits than its factorization.

1404157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 1404157 is about 1184.9713076695. The cubic root of 1404157 is about 111.9795083684.

Adding to 1404157 its reverse (7514041), we get a palindrome (8918198).

The spelling of 1404157 in words is "one million, four hundred four thousand, one hundred fifty-seven".