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121615041 = 3371095631
BaseRepresentation
bin1110011111110…
…11001011000001
322110211200110210
413033323023001
5222113140131
620022344333
73004465542
oct717731301
9273750423
10121615041
11627151a9
123488b0a9
131c271082
141221a4c9
15aa24146
hex73fb2c1

121615041 has 8 divisors (see below), whose sum is σ = 166536064. Its totient is φ = 78885360.

The previous prime is 121615033. The next prime is 121615063. The reversal of 121615041 is 140516121.

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

It is not a de Polignac number, because 121615041 - 23 = 121615033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121614999 and 121615017.

It is not an unprimeable number, because it can be changed into a prime (121615001) 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, 547705 + ... + 547926.

It is an arithmetic number, because the mean of its divisors is an integer number (20817008).

Almost surely, 2121615041 is an apocalyptic number.

It is an amenable number.

121615041 is a deficient number, since it is larger than the sum of its proper divisors (44921023).

121615041 is a wasteful number, since it uses less digits than its factorization.

121615041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095671.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 121615041 is about 11027.9209736015. The cubic root of 121615041 is about 495.4453577818.

The spelling of 121615041 in words is "one hundred twenty-one million, six hundred fifteen thousand, forty-one".

Divisors: 1 3 37 111 1095631 3286893 40538347 121615041