121301020 has 12 divisors (see below), whose sum is σ = 254732184. Its totient is φ = 48520400.

The previous prime is 121301003. The next prime is 121301023. The reversal of 121301020 is 20103121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 121300988 and 121301006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121301023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3032506 + ... + 3032545.

It is an arithmetic number, because the mean of its divisors is an integer number (21227682).

Almost surely, 2^121301020 is an apocalyptic number.

121301020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121301020 is an abundant number, since it is smaller than the sum of its proper divisors (133431164).

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

121301020 is a wasteful number, since it uses less digits than its factorization.

121301020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065060 (or 6065058 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 121301020 is about 11013.6742279768. The cubic root of 121301020 is about 495.0185620356.

Adding to 121301020 its reverse (20103121), we get a palindrome (141404141).

The spelling of 121301020 in words is "one hundred twenty-one million, three hundred one thousand, twenty".