1421199 has 16 divisors (see below), whose sum is σ = 2268000. Its totient is φ = 874368.

The previous prime is 1421191. The next prime is 1421213. The reversal of 1421199 is 9911241.

It is not a de Polignac number, because 1421199 - 2³ = 1421191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1421199 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1674 + ... + 2375.

It is an arithmetic number, because the mean of its divisors is an integer number (141750).

2^1421199 is an apocalyptic number.

1421199 is a deficient number, since it is larger than the sum of its proper divisors (846801).

1421199 is a wasteful number, since it uses less digits than its factorization.

1421199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071 (or 4065 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 1421199 is about 1192.1405118525. The cubic root of 1421199 is about 112.4307128914.

The spelling of 1421199 in words is "one million, four hundred twenty-one thousand, one hundred ninety-nine".