121030450 has 12 divisors (see below), whose sum is σ = 225116730. Its totient is φ = 48412160.

The previous prime is 121030447. The next prime is 121030451. The reversal of 121030450 is 54030121.

It can be written as a sum of positive squares in 3 ways, for example, as 79156609 + 41873841 = 8897^2 + 6471^2 .

It is not an unprimeable number, because it can be changed into a prime (121030451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1210255 + ... + 1210354.

Almost surely, 2^121030450 is an apocalyptic number.

121030450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121030450 is a deficient number, since it is larger than the sum of its proper divisors (104086280).

121030450 is a wasteful number, since it uses less digits than its factorization.

121030450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420621 (or 2420616 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 121030450 is about 11001.3840038424. The cubic root of 121030450 is about 494.6502307521.

Adding to 121030450 its reverse (54030121), we get a palindrome (175060571).

The spelling of 121030450 in words is "one hundred twenty-one million, thirty thousand, four hundred fifty".