Search a number
-
+
124974491 is a prime number
BaseRepresentation
bin1110111001011…
…11010110011011
322201011100202212
413130233112123
5223443140431
620222345335
73045160055
oct734572633
9281140685
10124974491
11645aa204
1235a2b24b
131cb79205
14128528d5
15ae8972b
hex772f59b

124974491 has 2 divisors, whose sum is σ = 124974492. Its totient is φ = 124974490.

The previous prime is 124974461. The next prime is 124974503. The reversal of 124974491 is 194479421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124974491 - 214 = 124958107 is a prime.

It is not a weakly prime, because it can be changed into another prime (124974401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62487245 + 62487246.

It is an arithmetic number, because the mean of its divisors is an integer number (62487246).

Almost surely, 2124974491 is an apocalyptic number.

124974491 is a deficient number, since it is larger than the sum of its proper divisors (1).

124974491 is an equidigital number, since it uses as much as digits as its factorization.

124974491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 124974491 is about 11179.1990321311. The cubic root of 124974491 is about 499.9659856861.

The spelling of 124974491 in words is "one hundred twenty-four million, nine hundred seventy-four thousand, four hundred ninety-one".