121301010 has 32 divisors (see below), whose sum is σ = 323470080. Its totient is φ = 32346864.

The previous prime is 121301003. The next prime is 121301023. The reversal of 121301010 is 10103121.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121300983 and 121301001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224362 + ... + 224901.

It is an arithmetic number, because the mean of its divisors is an integer number (10108440).

Almost surely, 2^121301010 is an apocalyptic number.

121301010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121301010 is an abundant number, since it is smaller than the sum of its proper divisors (202169070).

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

121301010 is a wasteful number, since it uses less digits than its factorization.

121301010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449279 (or 449273 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 121301010 is about 11013.6737739957. The cubic root of 121301010 is about 495.0185484326.

Adding to 121301010 its reverse (10103121), we get a palindrome (131404131).

The spelling of 121301010 in words is "one hundred twenty-one million, three hundred one thousand, ten".