121026150 has 144 divisors (see below), whose sum is σ = 385641984. Its totient is φ = 27643680.

The previous prime is 121026131. The next prime is 121026163. The reversal of 121026150 is 51620121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 84339 + ... + 85761.

Almost surely, 2^121026150 is an apocalyptic number.

121026150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121026150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192820992).

121026150 is an abundant number, since it is smaller than the sum of its proper divisors (264615834).

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

121026150 is a wasteful number, since it uses less digits than its factorization.

121026150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457 (or 1440 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 121026150 is about 11001.1885721498. The cubic root of 121026150 is about 494.6443726638.

Adding to 121026150 its reverse (51620121), we get a palindrome (172646271).

The spelling of 121026150 in words is "one hundred twenty-one million, twenty-six thousand, one hundred fifty".