121014345 has 16 divisors (see below), whose sum is σ = 194092992. Its totient is φ = 64384320.

The previous prime is 121014343. The next prime is 121014349. The reversal of 121014345 is 543410121.

It is not a de Polignac number, because 121014345 - 2¹ = 121014343 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121014343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3267 + ... + 15896.

It is an arithmetic number, because the mean of its divisors is an integer number (12130812).

Almost surely, 2^121014345 is an apocalyptic number.

121014345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121014345 is a deficient number, since it is larger than the sum of its proper divisors (73078647).

121014345 is a wasteful number, since it uses less digits than its factorization.

121014345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19592.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 121014345 is about 11000.6520261301. The cubic root of 121014345 is about 494.6282894545.

Adding to 121014345 its reverse (543410121), we get a palindrome (664424466).

The spelling of 121014345 in words is "one hundred twenty-one million, fourteen thousand, three hundred forty-five".