1202123269 has 2 divisors, whose sum is σ = 1202123270. Its totient is φ = 1202123268.

The previous prime is 1202123243. The next prime is 1202123287. The reversal of 1202123269 is 9623212021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 603684900 + 598438369 = 24570^2 + 24463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202123269 is a prime.

It is a super-2 number, since 2×1202123269² = 2890200707742492722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202121269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601061634 + 601061635.

It is an arithmetic number, because the mean of its divisors is an integer number (601061635).

Almost surely, 2^1202123269 is an apocalyptic number.

It is an amenable number.

1202123269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202123269 is an equidigital number, since it uses as much as digits as its factorization.

1202123269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1202123269 is about 34671.6493550566. The cubic root of 1202123269 is about 1063.2849526658.

The spelling of 1202123269 in words is "one billion, two hundred two million, one hundred twenty-three thousand, two hundred sixty-nine".