121883479 has 2 divisors, whose sum is σ = 121883480. Its totient is φ = 121883478.

The previous prime is 121883471. The next prime is 121883497. The reversal of 121883479 is 974388121.

Together with next prime (121883497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121883479 - 2³ = 121883471 is a prime.

It is a super-3 number, since 3×121883479³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121883471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60941739 + 60941740.

It is an arithmetic number, because the mean of its divisors is an integer number (60941740).

Almost surely, 2^121883479 is an apocalyptic number.

121883479 is a deficient number, since it is larger than the sum of its proper divisors (1).

121883479 is an equidigital number, since it uses as much as digits as its factorization.

121883479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 43.

The square root of 121883479 is about 11040.0850993097. The cubic root of 121883479 is about 495.8096181739.

It can be divided in two parts, 121 and 883479, that added together give a square (883600 = 940²).

The spelling of 121883479 in words is "one hundred twenty-one million, eight hundred eighty-three thousand, four hundred seventy-nine".