122002534 has 16 divisors (see below), whose sum is σ = 201012480. Its totient is φ = 55277640.

The previous prime is 122002487. The next prime is 122002537. The reversal of 122002534 is 435200221.

122002534 = 2525² + 2526² + ... + 2543².

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002537) 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, 68922 + ... + 70669.

It is an arithmetic number, because the mean of its divisors is an integer number (12563280).

Almost surely, 2^122002534 is an apocalyptic number.

122002534 is a deficient number, since it is larger than the sum of its proper divisors (79009946).

122002534 is a wasteful number, since it uses less digits than its factorization.

122002534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139635.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 122002534 is about 11045.4757253819. The cubic root of 122002534 is about 495.9710001905.

Adding to 122002534 its reverse (435200221), we get a palindrome (557202755).

The spelling of 122002534 in words is "one hundred twenty-two million, two thousand, five hundred thirty-four".