121142132 has 12 divisors (see below), whose sum is σ = 213110016. Its totient is φ = 60253560.

The previous prime is 121142129. The next prime is 121142159. The reversal of 121142132 is 231241121.

It is a super-3 number, since 3×121142132³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 121142132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78518 + ... + 80045.

It is an arithmetic number, because the mean of its divisors is an integer number (17759168).

Almost surely, 2^121142132 is an apocalyptic number.

It is an amenable number.

121142132 is a deficient number, since it is larger than the sum of its proper divisors (91967884).

121142132 is a wasteful number, since it uses less digits than its factorization.

121142132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158758 (or 158756 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 121142132 is about 11006.4586493567. The cubic root of 121142132 is about 494.8023317140.

Adding to 121142132 its reverse (231241121), we get a palindrome (352383253).

The spelling of 121142132 in words is "one hundred twenty-one million, one hundred forty-two thousand, one hundred thirty-two".