122667534 has 80 divisors (see below), whose sum is σ = 315722880. Its totient is φ = 35205840.

The previous prime is 122667491. The next prime is 122667539. The reversal of 122667534 is 435766221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122667539) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32047 + ... + 35669.

It is an arithmetic number, because the mean of its divisors is an integer number (3946536).

Almost surely, 2^122667534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122667534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157861440).

122667534 is an abundant number, since it is smaller than the sum of its proper divisors (193055346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122667534 is a wasteful number, since it uses less digits than its factorization.

122667534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667 (or 3658 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 122667534 is about 11075.5376393203. The cubic root of 122667534 is about 496.8704986420.

It can be divided in two parts, 122667 and 534, that added together give a square (123201 = 351²).

The spelling of 122667534 in words is "one hundred twenty-two million, six hundred sixty-seven thousand, five hundred thirty-four".