1421153 has 2 divisors, whose sum is σ = 1421154. Its totient is φ = 1421152.

The previous prime is 1421141. The next prime is 1421159. The reversal of 1421153 is 3511241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1420864 + 289 = 1192^2 + 17^2 .

It is an emirp because it is prime and its reverse (3511241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1421153 - 2¹² = 1417057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1421159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710576 + 710577.

It is an arithmetic number, because the mean of its divisors is an integer number (710577).

2^1421153 is an apocalyptic number.

It is an amenable number.

1421153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421153 is an equidigital number, since it uses as much as digits as its factorization.

1421153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 17.

The square root of 1421153 is about 1192.1212186686. The cubic root of 1421153 is about 112.4294998620.

Adding to 1421153 its reverse (3511241), we get a palindrome (4932394).

The spelling of 1421153 in words is "one million, four hundred twenty-one thousand, one hundred fifty-three".