1421150 has 24 divisors (see below), whose sum is σ = 2708904. Its totient is φ = 554400.

The previous prime is 1421141. The next prime is 1421153. The reversal of 1421150 is 511241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1820 + ... + 2480.

It is an arithmetic number, because the mean of its divisors is an integer number (112871).

2^1421150 is an apocalyptic number.

1421150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421150 is a deficient number, since it is larger than the sum of its proper divisors (1287754).

1421150 is a wasteful number, since it uses less digits than its factorization.

1421150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1421150 is about 1192.1199604067. The cubic root of 1421150 is about 112.4294207505.

Adding to 1421150 its reverse (511241), we get a palindrome (1932391).

Subtracting from 1421150 its reverse (511241), we obtain a palindrome (909909).

The spelling of 1421150 in words is "one million, four hundred twenty-one thousand, one hundred fifty".