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121274007 = 340424669
BaseRepresentation
bin1110011101001…
…11111010010111
322110012100122220
413032213322113
5222021232012
620011153423
73001545351
oct716477227
9273170586
10121274007
1162501a58
1234745873
131c181a8a
141216c0d1
15a9a808c
hex73a7e97

121274007 has 4 divisors (see below), whose sum is σ = 161698680. Its totient is φ = 80849336.

The previous prime is 121274003. The next prime is 121274051. The reversal of 121274007 is 700472121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700472121 = 3233490707.

It is a cyclic number.

It is not a de Polignac number, because 121274007 - 22 = 121274003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121274003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20212332 + ... + 20212337.

It is an arithmetic number, because the mean of its divisors is an integer number (40424670).

Almost surely, 2121274007 is an apocalyptic number.

121274007 is a deficient number, since it is larger than the sum of its proper divisors (40424673).

121274007 is an equidigital number, since it uses as much as digits as its factorization.

121274007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40424672.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 121274007 is about 11012.4478205347. The cubic root of 121274007 is about 494.9818134324.

The spelling of 121274007 in words is "one hundred twenty-one million, two hundred seventy-four thousand, seven".

Divisors: 1 3 40424669 121274007