122142007 has 4 divisors (see below), whose sum is σ = 131537560. Its totient is φ = 112746456.

The previous prime is 122141969. The next prime is 122142023. The reversal of 122142007 is 700241221.

It is a happy number.

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 122142007 - 2⁷ = 122141879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122142037) 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, 4697757 + ... + 4697782.

It is an arithmetic number, because the mean of its divisors is an integer number (32884390).

Almost surely, 2^122142007 is an apocalyptic number.

122142007 is a deficient number, since it is larger than the sum of its proper divisors (9395553).

122142007 is an equidigital number, since it uses as much as digits as its factorization.

122142007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9395552.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 122142007 is about 11051.7875024812. The cubic root of 122142007 is about 496.1599258292.

Adding to 122142007 its reverse (700241221), we get a palindrome (822383228).

It can be divided in two parts, 122 and 142007, that added together give a square (142129 = 377²).

The spelling of 122142007 in words is "one hundred twenty-two million, one hundred forty-two thousand, seven".