Search a number
-
+
122102051 = 379322169
BaseRepresentation
bin1110100011100…
…10000100100011
322111202102112012
413101302010203
5222224231201
620041023135
73011564441
oct721620443
9274672465
10122102051
1162a18095
1234a84aab
131c3b1946
1412305b91
15aabd5bb
hex7472123

122102051 has 4 divisors (see below), whose sum is σ = 122424600. Its totient is φ = 121779504.

The previous prime is 122102023. The next prime is 122102107. The reversal of 122102051 is 150201221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150201221 = 181829841.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122102051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122102011) 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, 160706 + ... + 161463.

It is an arithmetic number, because the mean of its divisors is an integer number (30606150).

Almost surely, 2122102051 is an apocalyptic number.

122102051 is a deficient number, since it is larger than the sum of its proper divisors (322549).

122102051 is an equidigital number, since it uses as much as digits as its factorization.

122102051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322548.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 122102051 is about 11049.9796832392. The cubic root of 122102051 is about 496.1058174227.

Adding to 122102051 its reverse (150201221), we get a palindrome (272303272).

The spelling of 122102051 in words is "one hundred twenty-two million, one hundred two thousand, fifty-one".

Divisors: 1 379 322169 122102051