121381048 has 32 divisors (see below), whose sum is σ = 231876000. Its totient is φ = 59558400.

The previous prime is 121381031. The next prime is 121381061. The reversal of 121381048 is 840183121.

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, 106948 + ... + 108076.

It is an arithmetic number, because the mean of its divisors is an integer number (7246125).

Almost surely, 2^121381048 is an apocalyptic number.

It is an amenable number.

121381048 is a deficient number, since it is larger than the sum of its proper divisors (110494952).

121381048 is a wasteful number, since it uses less digits than its factorization.

121381048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375 (or 1371 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 121381048 is about 11017.3067489292. The cubic root of 121381048 is about 495.1274004626.

The spelling of 121381048 in words is "one hundred twenty-one million, three hundred eighty-one thousand, forty-eight".