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121325151 = 3187921523
BaseRepresentation
bin1110011101101…
…00011001011111
322110021221211010
413032310121133
5222024401101
620012230303
73002150433
oct716643137
9273257733
10121325151
1162537422
123476b393
131c19c13c
14121829c3
15a9b82d6
hex73b465f

121325151 has 8 divisors (see below), whose sum is σ = 161860480. Its totient is φ = 80836632.

The previous prime is 121325137. The next prime is 121325159. The reversal of 121325151 is 151523121.

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

It is not a de Polignac number, because 121325151 - 29 = 121324639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121325159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5125 + ... + 16398.

It is an arithmetic number, because the mean of its divisors is an integer number (20232560).

Almost surely, 2121325151 is an apocalyptic number.

121325151 is a deficient number, since it is larger than the sum of its proper divisors (40535329).

121325151 is a wasteful number, since it uses less digits than its factorization.

121325151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23405.

The product of its digits is 300, while the sum is 21.

The square root of 121325151 is about 11014.7696753042. The cubic root of 121325151 is about 495.0513853400.

Adding to 121325151 its reverse (151523121), we get a palindrome (272848272).

The spelling of 121325151 in words is "one hundred twenty-one million, three hundred twenty-five thousand, one hundred fifty-one".

Divisors: 1 3 1879 5637 21523 64569 40441717 121325151