121146057 has 32 divisors (see below), whose sum is σ = 184406400. Its totient is φ = 78575616.

The previous prime is 121146043. The next prime is 121146059. The reversal of 121146057 is 750641121.

It is a happy number.

It is not a de Polignac number, because 121146057 - 2⁷ = 121145929 is a prime.

It is a super-3 number, since 3×121146057³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 121146057.

It is not an unprimeable number, because it can be changed into a prime (121146059) 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 31 ways as a sum of consecutive naturals, for example, 179673 + ... + 180345.

It is an arithmetic number, because the mean of its divisors is an integer number (5762700).

Almost surely, 2^121146057 is an apocalyptic number.

It is an amenable number.

121146057 is a deficient number, since it is larger than the sum of its proper divisors (63260343).

121146057 is a wasteful number, since it uses less digits than its factorization.

121146057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 121146057 is about 11006.6369523120. The cubic root of 121146057 is about 494.8076755146.

Adding to 121146057 its reverse (750641121), we get a palindrome (871787178).

The spelling of 121146057 in words is "one hundred twenty-one million, one hundred forty-six thousand, fifty-seven".