121233126 has 32 divisors (see below), whose sum is σ = 286046208. Its totient is φ = 33520320.

The previous prime is 121233121. The next prime is 121233131. The reversal of 121233126 is 621332121.

It is an interprime number because it is at equal distance from previous prime (121233121) and next prime (121233131).

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121233121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45255 + ... + 47858.

It is an arithmetic number, because the mean of its divisors is an integer number (8938944).

Almost surely, 2^121233126 is an apocalyptic number.

121233126 is an abundant number, since it is smaller than the sum of its proper divisors (164813082).

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

121233126 is a wasteful number, since it uses less digits than its factorization.

121233126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93156.

The product of its digits is 432, while the sum is 21.

The square root of 121233126 is about 11010.5915372427. The cubic root of 121233126 is about 494.9261883616.

Adding to 121233126 its reverse (621332121), we get a palindrome (742565247).

The spelling of 121233126 in words is "one hundred twenty-one million, two hundred thirty-three thousand, one hundred twenty-six".