121429671 has 24 divisors (see below), whose sum is σ = 182793072. Its totient is φ = 71596800.

The previous prime is 121429669. The next prime is 121429681. The reversal of 121429671 is 176924121.

It is a happy number.

It is not a de Polignac number, because 121429671 - 2¹ = 121429669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121429631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8911 + ... + 17951.

It is an arithmetic number, because the mean of its divisors is an integer number (7616378).

Almost surely, 2^121429671 is an apocalyptic number.

121429671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121429671 is a deficient number, since it is larger than the sum of its proper divisors (61363401).

121429671 is a wasteful number, since it uses less digits than its factorization.

121429671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9103 (or 9092 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 121429671 is about 11019.5131925144. The cubic root of 121429671 is about 495.1935045926.

The spelling of 121429671 in words is "one hundred twenty-one million, four hundred twenty-nine thousand, six hundred seventy-one".