121482730 has 16 divisors (see below), whose sum is σ = 218899584. Its totient is φ = 48541840.

The previous prime is 121482727. The next prime is 121482737. The reversal of 121482730 is 37284121.

It is not an unprimeable number, because it can be changed into a prime (121482737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4419 + ... + 16201.

It is an arithmetic number, because the mean of its divisors is an integer number (13681224).

Almost surely, 2^121482730 is an apocalyptic number.

121482730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121482730 is a deficient number, since it is larger than the sum of its proper divisors (97416854).

121482730 is a wasteful number, since it uses less digits than its factorization.

121482730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12821.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 121482730 is about 11021.9204315763. The cubic root of 121482730 is about 495.2656194389.

It can be divided in two parts, 12148 and 2730, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 121482730 in words is "one hundred twenty-one million, four hundred eighty-two thousand, seven hundred thirty".