121514472 has 64 divisors (see below), whose sum is σ = 338553600. Its totient is φ = 40383360.

The previous prime is 121514467. The next prime is 121514473. The reversal of 121514472 is 274415121.

121514472 is a `hidden beast` number, since 1 + 215 + 1 + 447 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (121514473) 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, 98097 + ... + 99327.

It is an arithmetic number, because the mean of its divisors is an integer number (5289900).

Almost surely, 2^121514472 is an apocalyptic number.

121514472 is a gapful number since it is divisible by the number (12) 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 121514472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169276800).

121514472 is an abundant number, since it is smaller than the sum of its proper divisors (217039128).

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

121514472 is a wasteful number, since it uses less digits than its factorization.

121514472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703 (or 1693 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 121514472 is about 11023.3602862285. The cubic root of 121514472 is about 495.3087513647.

Adding to 121514472 its reverse (274415121), we get a palindrome (395929593).

The spelling of 121514472 in words is "one hundred twenty-one million, five hundred fourteen thousand, four hundred seventy-two".