121055045 has 8 divisors (see below), whose sum is σ = 153811224. Its totient is φ = 91147264.

The previous prime is 121055029. The next prime is 121055057. The reversal of 121055045 is 540550121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29833444 + 91221601 = 5462^2 + 9551^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121055045 - 2⁴ = 121055029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121055045.

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, 712004 + ... + 712173.

It is an arithmetic number, because the mean of its divisors is an integer number (19226403).

Almost surely, 2^121055045 is an apocalyptic number.

It is an amenable number.

121055045 is a deficient number, since it is larger than the sum of its proper divisors (32756179).

121055045 is a wasteful number, since it uses less digits than its factorization.

121055045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424199.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 121055045 is about 11002.5017609633. The cubic root of 121055045 is about 494.6837349885.

The spelling of 121055045 in words is "one hundred twenty-one million, fifty-five thousand, forty-five".