121148073 has 6 divisors (see below), whose sum is σ = 174991674. Its totient is φ = 80765376.

The previous prime is 121148059. The next prime is 121148087. The reversal of 121148073 is 370841121.

It is an interprime number because it is at equal distance from previous prime (121148059) and next prime (121148087).

It can be written as a sum of positive squares in only one way, i.e., 72539289 + 48608784 = 8517^2 + 6972^2 .

It is not a de Polignac number, because 121148073 - 2²⁵ = 87593641 is a prime.

It is a super-2 number, since 2×121148073² = 29353711183226658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121148003) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 6730440 + ... + 6730457.

It is an arithmetic number, because the mean of its divisors is an integer number (29165279).

Almost surely, 2^121148073 is an apocalyptic number.

It is an amenable number.

121148073 is a deficient number, since it is larger than the sum of its proper divisors (53843601).

121148073 is a wasteful number, since it uses less digits than its factorization.

121148073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13460903 (or 13460900 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 121148073 is about 11006.7285330383. The cubic root of 121148073 is about 494.8104202091.

Adding to 121148073 its reverse (370841121), we get a palindrome (491989194).

It can be divided in two parts, 1211 and 48073, that added together give a square (49284 = 222²).

The spelling of 121148073 in words is "one hundred twenty-one million, one hundred forty-eight thousand, seventy-three".