121142926 has 4 divisors (see below), whose sum is σ = 181714392. Its totient is φ = 60571462.

The previous prime is 121142873. The next prime is 121142929. The reversal of 121142926 is 629241121.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×121142926³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121142894 and 121142903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121142929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30285730 + ... + 30285733.

It is an arithmetic number, because the mean of its divisors is an integer number (45428598).

Almost surely, 2^121142926 is an apocalyptic number.

121142926 is a deficient number, since it is larger than the sum of its proper divisors (60571466).

121142926 is an equidigital number, since it uses as much as digits as its factorization.

121142926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60571465.

The product of its digits is 1728, while the sum is 28.

The square root of 121142926 is about 11006.4947190284. The cubic root of 121142926 is about 494.8034127368.

The spelling of 121142926 in words is "one hundred twenty-one million, one hundred forty-two thousand, nine hundred twenty-six".