133321122 has 24 divisors (see below), whose sum is σ = 315123120. Its totient is φ = 40400280.

The previous prime is 133321117. The next prime is 133321127. The reversal of 133321122 is 221123331.

It is an interprime number because it is at equal distance from previous prime (133321117) and next prime (133321127).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 133321095 and 133321104.

It is not an unprimeable number, because it can be changed into a prime (133321127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336472 + ... + 336867.

It is an arithmetic number, because the mean of its divisors is an integer number (13130130).

Almost surely, 2^133321122 is an apocalyptic number.

133321122 is an abundant number, since it is smaller than the sum of its proper divisors (181801998).

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

133321122 is a wasteful number, since it uses less digits than its factorization.

133321122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673358 (or 673355 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 133321122 is about 11546.4766054412. The cubic root of 133321122 is about 510.8573583530.

Adding to 133321122 its reverse (221123331), we get a palindrome (354444453).

The spelling of 133321122 in words is "one hundred thirty-three million, three hundred twenty-one thousand, one hundred twenty-two".