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1202120993 is a prime number
BaseRepresentation
bin100011110100110…
…1110100100100001
310002210000001222202
41013221232210201
54430220332433
6315141342545
741534600633
oct10751564441
93083001882
101202120993
11567625327
12296707a55
131620879c8
14b5922a53
1570808ee8
hex47a6e921

1202120993 has 2 divisors, whose sum is σ = 1202120994. Its totient is φ = 1202120992.

The previous prime is 1202120981. The next prime is 1202121001. The reversal of 1202120993 is 3990212021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1024512064 + 177608929 = 32008^2 + 13327^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202120993 - 24 = 1202120977 is a prime.

It is a super-2 number, since 2×12021209932 = 2890189763622612098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1202150993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601060496 + 601060497.

It is an arithmetic number, because the mean of its divisors is an integer number (601060497).

Almost surely, 21202120993 is an apocalyptic number.

It is an amenable number.

1202120993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202120993 is an equidigital number, since it uses as much as digits as its factorization.

1202120993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1202120993 is about 34671.6165328356. The cubic root of 1202120993 is about 1063.2842816203.

The spelling of 1202120993 in words is "one billion, two hundred two million, one hundred twenty thousand, nine hundred ninety-three".