961421119 has 2 divisors, whose sum is σ = 961421120. Its totient is φ = 961421118.

The previous prime is 961421101. The next prime is 961421141. The reversal of 961421119 is 911124169.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 961421119 - 2⁷ = 961420991 is a prime.

It is a super-2 number, since 2×961421119² = 1848661136118424322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961421189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480710559 + 480710560.

It is an arithmetic number, because the mean of its divisors is an integer number (480710560).

Almost surely, 2^961421119 is an apocalyptic number.

961421119 is a deficient number, since it is larger than the sum of its proper divisors (1).

961421119 is an equidigital number, since it uses as much as digits as its factorization.

961421119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 34.

The square root of 961421119 is about 31006.7914979928. The cubic root of 961421119 is about 986.9713648495.

The spelling of 961421119 in words is "nine hundred sixty-one million, four hundred twenty-one thousand, one hundred nineteen".