122402021435254 has 16 divisors (see below), whose sum is σ = 200295298952640. Its totient is φ = 55636981898760.

The previous prime is 122402021435251. The next prime is 122402021435257. The reversal of 122402021435254 is 452534120204221.

It is a happy number.

122402021435254 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (122402021435251) and next prime (122402021435257).

It is a super-2 number, since 2×122402021435254² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122402021435251) 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, 10837764 + ... + 19033159.

It is an arithmetic number, because the mean of its divisors is an integer number (12518456184540).

Almost surely, 2^{122402021435254} is an apocalyptic number.

122402021435254 is a deficient number, since it is larger than the sum of its proper divisors (77893277517386).

122402021435254 is a wasteful number, since it uses less digits than its factorization.

122402021435254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30057195.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 122402021435254 its reverse (452534120204221), we get a palindrome (574936141639475).

The spelling of 122402021435254 in words is "one hundred twenty-two trillion, four hundred two billion, twenty-one million, four hundred thirty-five thousand, two hundred fifty-four".