1122100387 has 2 divisors, whose sum is σ = 1122100388. Its totient is φ = 1122100386.

The previous prime is 1122100367. The next prime is 1122100403. The reversal of 1122100387 is 7830012211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122100387 - 2¹⁵ = 1122067619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122100327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561050193 + 561050194.

It is an arithmetic number, because the mean of its divisors is an integer number (561050194).

Almost surely, 2^1122100387 is an apocalyptic number.

1122100387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122100387 is an equidigital number, since it uses as much as digits as its factorization.

1122100387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1122100387 is about 33497.7668957201. The cubic root of 1122100387 is about 1039.1475963549.

Adding to 1122100387 its reverse (7830012211), we get a palindrome (8952112598).

The spelling of 1122100387 in words is "one billion, one hundred twenty-two million, one hundred thousand, three hundred eighty-seven".