122261355 has 24 divisors (see below), whose sum is σ = 212432688. Its totient is φ = 65048256.

The previous prime is 122261351. The next prime is 122261387. The reversal of 122261355 is 553162221.

It is a happy number.

It is not a de Polignac number, because 122261355 - 2² = 122261351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122261351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16869 + ... + 23001.

It is an arithmetic number, because the mean of its divisors is an integer number (8851362).

Almost surely, 2^122261355 is an apocalyptic number.

122261355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122261355 is a deficient number, since it is larger than the sum of its proper divisors (90171333).

122261355 is a wasteful number, since it uses less digits than its factorization.

122261355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6587 (or 6584 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 122261355 is about 11057.1856726746. The cubic root of 122261355 is about 496.3214766331.

The spelling of 122261355 in words is "one hundred twenty-two million, two hundred sixty-one thousand, three hundred fifty-five".