149911122 has 8 divisors (see below), whose sum is σ = 299822256. Its totient is φ = 49970372.

The previous prime is 149911103. The next prime is 149911123. The reversal of 149911122 is 221119941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

149911122 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 149911122.

It is not an unprimeable number, because it can be changed into a prime (149911123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12492588 + ... + 12492599.

It is an arithmetic number, because the mean of its divisors is an integer number (37477782).

Almost surely, 2^149911122 is an apocalyptic number.

149911122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

149911122 is a wasteful number, since it uses less digits than its factorization.

149911122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24985192.

The product of its digits is 1296, while the sum is 30.

The square root of 149911122 is about 12243.8197471214. The cubic root of 149911122 is about 531.2243227820.

It can be divided in two parts, 1499 and 11122, that added together give a palindrome (12621).

The spelling of 149911122 in words is "one hundred forty-nine million, nine hundred eleven thousand, one hundred twenty-two".