121433148 has 72 divisors (see below), whose sum is σ = 322299600. Its totient is φ = 39538656.

The previous prime is 121433131. The next prime is 121433167. The reversal of 121433148 is 841334121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238318 + ... + 238826.

Almost surely, 2^121433148 is an apocalyptic number.

121433148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121433148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161149800).

121433148 is an abundant number, since it is smaller than the sum of its proper divisors (200866452).

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

121433148 is a wasteful number, since it uses less digits than its factorization.

121433148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 561 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 121433148 is about 11019.6709569751. The cubic root of 121433148 is about 495.1982309810.

Adding to 121433148 its reverse (841334121), we get a palindrome (962767269).

The spelling of 121433148 in words is "one hundred twenty-one million, four hundred thirty-three thousand, one hundred forty-eight".