121045000 has 80 divisors (see below), whose sum is σ = 290719440. Its totient is φ = 47208000.

The previous prime is 121044967. The next prime is 121045033. The reversal of 121045000 is 540121.

It is an interprime number because it is at equal distance from previous prime (121044967) and next prime (121045033).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 214719 + ... + 215281.

It is an arithmetic number, because the mean of its divisors is an integer number (3633993).

Almost surely, 2^121045000 is an apocalyptic number.

121045000 is a gapful number since it is divisible by the number (10) 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 121045000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145359720).

121045000 is an abundant number, since it is smaller than the sum of its proper divisors (169674440).

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

121045000 is an equidigital number, since it uses as much as digits as its factorization.

121045000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 121045000 is about 11002.0452644043. The cubic root of 121045000 is about 494.6700518590.

Adding to 121045000 its reverse (540121), we get a palindrome (121585121).

The spelling of 121045000 in words is "one hundred twenty-one million, forty-five thousand".