121000654 has 16 divisors (see below), whose sum is σ = 193425408. Its totient is φ = 56637592.

The previous prime is 121000651. The next prime is 121000661. The reversal of 121000654 is 456000121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25822 + ... + 30145.

It is an arithmetic number, because the mean of its divisors is an integer number (12089088).

Almost surely, 2^121000654 is an apocalyptic number.

121000654 is a deficient number, since it is larger than the sum of its proper divisors (72424754).

121000654 is a wasteful number, since it uses less digits than its factorization.

121000654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56039.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 121000654 is about 11000.0297272326. The cubic root of 121000654 is about 494.6096354365.

Adding to 121000654 its reverse (456000121), we get a palindrome (577000775).

The spelling of 121000654 in words is "one hundred twenty-one million, six hundred fifty-four", and thus it is an aban number.