29121116 has 6 divisors (see below), whose sum is σ = 50961960. Its totient is φ = 14560556.

The previous prime is 29121101. The next prime is 29121137. The reversal of 29121116 is 61112192.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 29121091 and 29121100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3640136 + ... + 3640143.

It is an arithmetic number, because the mean of its divisors is an integer number (8493660).

Almost surely, 2^29121116 is an apocalyptic number.

It is an amenable number.

29121116 is a deficient number, since it is larger than the sum of its proper divisors (21840844).

29121116 is a wasteful number, since it uses less digits than its factorization.

29121116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7280283 (or 7280281 counting only the distinct ones).

The product of its digits is 216, while the sum is 23.

The square root of 29121116 is about 5396.3984285818. The cubic root of 29121116 is about 307.6587973954.

The spelling of 29121116 in words is "twenty-nine million, one hundred twenty-one thousand, one hundred sixteen".