Search a number
-
+
121627031 is a prime number
BaseRepresentation
bin1110011111111…
…10000110010111
322110212021220212
413033332012113
5222114031111
620022520035
73004545521
oct717760627
9273767825
10121627031
1162723209
123489601b
131c276676
1412220a11
15aa2798b
hex73fe197

121627031 has 2 divisors, whose sum is σ = 121627032. Its totient is φ = 121627030.

The previous prime is 121627019. The next prime is 121627067. The reversal of 121627031 is 130726121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121627031 - 214 = 121610647 is a prime.

It is a super-2 number, since 2×1216270312 = 29586269339749922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121626988 and 121627006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121627931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60813515 + 60813516.

It is an arithmetic number, because the mean of its divisors is an integer number (60813516).

Almost surely, 2121627031 is an apocalyptic number.

121627031 is a deficient number, since it is larger than the sum of its proper divisors (1).

121627031 is an equidigital number, since it uses as much as digits as its factorization.

121627031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 121627031 is about 11028.4645803484. The cubic root of 121627031 is about 495.4616391962.

The spelling of 121627031 in words is "one hundred twenty-one million, six hundred twenty-seven thousand, thirty-one".