29492121 has 4 divisors (see below), whose sum is σ = 39322832. Its totient is φ = 19661412.

The previous prime is 29492107. The next prime is 29492131. The reversal of 29492121 is 12129492.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 29492121 - 2¹⁴ = 29475737 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29492131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4915351 + ... + 4915356.

It is an arithmetic number, because the mean of its divisors is an integer number (9830708).

Almost surely, 2^29492121 is an apocalyptic number.

It is an amenable number.

29492121 is a deficient number, since it is larger than the sum of its proper divisors (9830711).

29492121 is an equidigital number, since it uses as much as digits as its factorization.

29492121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9830710.

The product of its digits is 2592, while the sum is 30.

The square root of 29492121 is about 5430.6648764217. The cubic root of 29492121 is about 308.9598192430.

The spelling of 29492121 in words is "twenty-nine million, four hundred ninety-two thousand, one hundred twenty-one".