1015401 has 8 divisors (see below), whose sum is σ = 1369440. Its totient is φ = 669152.

The previous prime is 1015369. The next prime is 1015403. The reversal of 1015401 is 1045101.

It is a happy number.

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 1015401 - 2⁵ = 1015369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1015403) 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, 1635 + ... + 2168.

It is an arithmetic number, because the mean of its divisors is an integer number (171180).

2^1015401 is an apocalyptic number.

It is an amenable number.

1015401 is a deficient number, since it is larger than the sum of its proper divisors (354039).

1015401 is an equidigital number, since it uses as much as digits as its factorization.

1015401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1015401 is about 1007.6710772866. The cubic root of 1015401 is about 100.5107535336.

The spelling of 1015401 in words is "one million, fifteen thousand, four hundred one".