429977121 has 8 divisors (see below), whose sum is σ = 655203264. Its totient is φ = 245701200.

The previous prime is 429977117. The next prime is 429977131. The reversal of 429977121 is 121779924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 429977121 - 2² = 429977117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (429977131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10237530 + ... + 10237571.

It is an arithmetic number, because the mean of its divisors is an integer number (81900408).

Almost surely, 2^429977121 is an apocalyptic number.

It is an amenable number.

429977121 is a deficient number, since it is larger than the sum of its proper divisors (225226143).

429977121 is a wasteful number, since it uses less digits than its factorization.

429977121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20475111.

The product of its digits is 63504, while the sum is 42.

The square root of 429977121 is about 20735.8896843130. The cubic root of 429977121 is about 754.7708445956.

The spelling of 429977121 in words is "four hundred twenty-nine million, nine hundred seventy-seven thousand, one hundred twenty-one".