121354148 has 6 divisors (see below), whose sum is σ = 212369766. Its totient is φ = 60677072.

The previous prime is 121354139. The next prime is 121354201. The reversal of 121354148 is 841453121.

It can be written as a sum of positive squares in only one way, i.e., 121176064 + 178084 = 11008^2 + 422^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121354148.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15169265 + ... + 15169272.

It is an arithmetic number, because the mean of its divisors is an integer number (35394961).

Almost surely, 2^121354148 is an apocalyptic number.

It is an amenable number.

121354148 is a deficient number, since it is larger than the sum of its proper divisors (91015618).

121354148 is a wasteful number, since it uses less digits than its factorization.

121354148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30338541 (or 30338539 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 121354148 is about 11016.0858747561. The cubic root of 121354148 is about 495.0908216850.

The spelling of 121354148 in words is "one hundred twenty-one million, three hundred fifty-four thousand, one hundred forty-eight".