122016451 has 4 divisors (see below), whose sum is σ = 124992504. Its totient is φ = 119040400.

The previous prime is 122016437. The next prime is 122016469. The reversal of 122016451 is 154610221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122016451 - 2⁹ = 122015939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122016551) 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, 1487965 + ... + 1488046.

It is an arithmetic number, because the mean of its divisors is an integer number (31248126).

Almost surely, 2^122016451 is an apocalyptic number.

122016451 is a deficient number, since it is larger than the sum of its proper divisors (2976053).

122016451 is an equidigital number, since it uses as much as digits as its factorization.

122016451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976052.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 122016451 is about 11046.1056938633. The cubic root of 122016451 is about 495.9898581758.

Adding to 122016451 its reverse (154610221), we get a palindrome (276626672).

It can be divided in two parts, 1220 and 16451, that added together give a palindrome (17671).

The spelling of 122016451 in words is "one hundred twenty-two million, sixteen thousand, four hundred fifty-one".