1413121 has 4 divisors (see below), whose sum is σ = 1418032. Its totient is φ = 1408212.

The previous prime is 1413107. The next prime is 1413131. The reversal of 1413121 is 1213141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1413121 - 2⁵ = 1413089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1413131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1995 + ... + 2608.

It is an arithmetic number, because the mean of its divisors is an integer number (354508).

It is a Proth number, since it is equal to 345 ⋅ 2¹² + 1 and 345 < 2¹².

2^1413121 is an apocalyptic number.

It is an amenable number.

1413121 is a deficient number, since it is larger than the sum of its proper divisors (4911).

1413121 is an equidigital number, since it uses as much as digits as its factorization.

1413121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4910.

The product of its digits is 24, while the sum is 13.

The square root of 1413121 is about 1188.7476603552. The cubic root of 1413121 is about 112.2172918063.

Adding to 1413121 its reverse (1213141), we get a palindrome (2626262).

The spelling of 1413121 in words is "one million, four hundred thirteen thousand, one hundred twenty-one".