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1203124997 is a prime number
BaseRepresentation
bin100011110110110…
…0011101100000101
310002211220002020002
41013231203230011
54430444444442
6315215051045
741546252024
oct10755435405
93084802202
101203124997
11568150688
12296b10a85
131623499a9
14b5b048bb
1570956732
hex47b63b05

1203124997 has 2 divisors, whose sum is σ = 1203124998. Its totient is φ = 1203124996.

The previous prime is 1203124987. The next prime is 1203125023. The reversal of 1203124997 is 7994213021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1008634081 + 194490916 = 31759^2 + 13946^2 .

It is an emirp because it is prime and its reverse (7994213021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1203124997 - 218 = 1202862853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1203124997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203124987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601562498 + 601562499.

It is an arithmetic number, because the mean of its divisors is an integer number (601562499).

Almost surely, 21203124997 is an apocalyptic number.

It is an amenable number.

1203124997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203124997 is an equidigital number, since it uses as much as digits as its factorization.

1203124997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 1203124997 is about 34686.0922705340. The cubic root of 1203124997 is about 1063.5802153947.

The spelling of 1203124997 in words is "one billion, two hundred three million, one hundred twenty-four thousand, nine hundred ninety-seven".