121331270 has 16 divisors (see below), whose sum is σ = 218872368. Its totient is φ = 48426720.

The previous prime is 121331269. The next prime is 121331333. The reversal of 121331270 is 72133121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8321 + ... + 17660.

It is an arithmetic number, because the mean of its divisors is an integer number (13679523).

Almost surely, 2^121331270 is an apocalyptic number.

121331270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121331270 is a deficient number, since it is larger than the sum of its proper divisors (97541098).

121331270 is a wasteful number, since it uses less digits than its factorization.

121331270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26455.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 121331270 is about 11015.0474352133. The cubic root of 121331270 is about 495.0597077927.

Adding to 121331270 its reverse (72133121), we get a palindrome (193464391).

The spelling of 121331270 in words is "one hundred twenty-one million, three hundred thirty-one thousand, two hundred seventy".