121601048 has 16 divisors (see below), whose sum is σ = 228199680. Its totient is φ = 60747808.

The previous prime is 121601041. The next prime is 121601057. The reversal of 121601048 is 840106121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121601041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4265 + ... + 16167.

It is an arithmetic number, because the mean of its divisors is an integer number (14262480).

Almost surely, 2^121601048 is an apocalyptic number.

It is an amenable number.

121601048 is a deficient number, since it is larger than the sum of its proper divisors (106598632).

121601048 is a wasteful number, since it uses less digits than its factorization.

121601048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13186 (or 13182 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 121601048 is about 11027.2865202642. The cubic root of 121601048 is about 495.4263551082.

Adding to 121601048 its reverse (840106121), we get a palindrome (961707169).

The spelling of 121601048 in words is "one hundred twenty-one million, six hundred one thousand, forty-eight".