1200087373 has 2 divisors, whose sum is σ = 1200087374. Its totient is φ = 1200087372.

The previous prime is 1200087359. The next prime is 1200087379. The reversal of 1200087373 is 3737800021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1172240644 + 27846729 = 34238^2 + 5277^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200087373 - 2¹⁷ = 1199956301 is a prime.

It is a super-2 number, since 2×1200087373² = 2880419405668082258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200087379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600043686 + 600043687.

It is an arithmetic number, because the mean of its divisors is an integer number (600043687).

Almost surely, 2^1200087373 is an apocalyptic number.

It is an amenable number.

1200087373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200087373 is an equidigital number, since it uses as much as digits as its factorization.

1200087373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 1200087373 is about 34642.2772490493. The cubic root of 1200087373 is about 1062.6843595753.

Adding to 1200087373 its reverse (3737800021), we get a palindrome (4937887394).

The spelling of 1200087373 in words is "one billion, two hundred million, eighty-seven thousand, three hundred seventy-three".