121471943 has 2 divisors, whose sum is σ = 121471944. Its totient is φ = 121471942.

The previous prime is 121471939. The next prime is 121471957. The reversal of 121471943 is 349174121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121471943 - 2² = 121471939 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121471843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60735971 + 60735972.

It is an arithmetic number, because the mean of its divisors is an integer number (60735972).

Almost surely, 2^121471943 is an apocalyptic number.

121471943 is a deficient number, since it is larger than the sum of its proper divisors (1).

121471943 is an equidigital number, since it uses as much as digits as its factorization.

121471943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 121471943 is about 11021.4310776777. The cubic root of 121471943 is about 495.2509600483.

The spelling of 121471943 in words is "one hundred twenty-one million, four hundred seventy-one thousand, nine hundred forty-three".