1150121503 has 2 divisors, whose sum is σ = 1150121504. Its totient is φ = 1150121502.

The previous prime is 1150121491. The next prime is 1150121507. The reversal of 1150121503 is 3051210511.

It is a strong prime.

It is an emirp because it is prime and its reverse (3051210511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1150121503 - 2¹³ = 1150113311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150121507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575060751 + 575060752.

It is an arithmetic number, because the mean of its divisors is an integer number (575060752).

Almost surely, 2^1150121503 is an apocalyptic number.

1150121503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150121503 is an equidigital number, since it uses as much as digits as its factorization.

1150121503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1150121503 is about 33913.4413323095. The cubic root of 1150121503 is about 1047.7264496762.

The spelling of 1150121503 in words is "one billion, one hundred fifty million, one hundred twenty-one thousand, five hundred three".