121240232 has 8 divisors (see below), whose sum is σ = 227325450. Its totient is φ = 60620112.

The previous prime is 121240219. The next prime is 121240253. The reversal of 121240232 is 232042121.

It can be written as a sum of positive squares in only one way, i.e., 98525476 + 22714756 = 9926^2 + 4766^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×121240232³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121240232.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7577507 + ... + 7577522.

Almost surely, 2^121240232 is an apocalyptic number.

It is an amenable number.

121240232 is a deficient number, since it is larger than the sum of its proper divisors (106085218).

121240232 is a wasteful number, since it uses less digits than its factorization.

121240232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15155035 (or 15155031 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 121240232 is about 11010.9142218074. The cubic root of 121240232 is about 494.9358580971.

Adding to 121240232 its reverse (232042121), we get a palindrome (353282353).

The spelling of 121240232 in words is "one hundred twenty-one million, two hundred forty thousand, two hundred thirty-two".