1501401 has 8 divisors (see below), whose sum is σ = 2183904. Its totient is φ = 909920.

The previous prime is 1501369. The next prime is 1501411. The reversal of 1501401 is 1041051.

It is a happy number.

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

It is not a de Polignac number, because 1501401 - 2⁵ = 1501369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1501411) 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, 22716 + ... + 22781.

It is an arithmetic number, because the mean of its divisors is an integer number (272988).

2^1501401 is an apocalyptic number.

1501401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1501401 is a deficient number, since it is larger than the sum of its proper divisors (682503).

1501401 is a wasteful number, since it uses less digits than its factorization.

1501401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45511.

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

The square root of 1501401 is about 1225.3166937572. The cubic root of 1501401 is about 114.5070519356.

Adding to 1501401 its reverse (1041051), we get a palindrome (2542452).

It can be divided in two parts, 150 and 1401, that added together give a palindrome (1551).

The spelling of 1501401 in words is "one million, five hundred one thousand, four hundred one".