1336102421 has 2 divisors, whose sum is σ = 1336102422. Its totient is φ = 1336102420.

The previous prime is 1336102399. The next prime is 1336102423. The reversal of 1336102421 is 1242016331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1334440900 + 1661521 = 36530^2 + 1289^2 .

It is a cyclic number.

It is not a de Polignac number, because 1336102421 - 2²² = 1331908117 is a prime.

It is a super-2 number, since 2×1336102421² = 3570339358804122482, which contains 22 as substring.

Together with 1336102423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1336102423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668051210 + 668051211.

It is an arithmetic number, because the mean of its divisors is an integer number (668051211).

Almost surely, 2^1336102421 is an apocalyptic number.

It is an amenable number.

1336102421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1336102421 is an equidigital number, since it uses as much as digits as its factorization.

1336102421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1336102421 is about 36552.7347950875. The cubic root of 1336102421 is about 1101.4038332687.

Adding to 1336102421 its reverse (1242016331), we get a palindrome (2578118752).

The spelling of 1336102421 in words is "one billion, three hundred thirty-six million, one hundred two thousand, four hundred twenty-one".