122151443 has 8 divisors (see below), whose sum is σ = 129484512. Its totient is φ = 114834816.

The previous prime is 122151397. The next prime is 122151461. The reversal of 122151443 is 344151221.

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

It is a cyclic number.

It is not a de Polignac number, because 122151443 - 2⁸ = 122151187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122151473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13346 + ... + 20552.

It is an arithmetic number, because the mean of its divisors is an integer number (16185564).

Almost surely, 2^122151443 is an apocalyptic number.

122151443 is a deficient number, since it is larger than the sum of its proper divisors (7333069).

122151443 is an equidigital number, since it uses as much as digits as its factorization.

122151443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8221.

The product of its digits is 960, while the sum is 23.

The square root of 122151443 is about 11052.2143935050. The cubic root of 122151443 is about 496.1727023359.

The spelling of 122151443 in words is "one hundred twenty-two million, one hundred fifty-one thousand, four hundred forty-three".