1154103997 has 2 divisors, whose sum is σ = 1154103998. Its totient is φ = 1154103996.

The previous prime is 1154103971. The next prime is 1154104009. The reversal of 1154103997 is 7993014511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1152874116 + 1229881 = 33954^2 + 1109^2 .

It is an emirp because it is prime and its reverse (7993014511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1154103997 - 2²⁷ = 1019886269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1154103967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577051998 + 577051999.

It is an arithmetic number, because the mean of its divisors is an integer number (577051999).

Almost surely, 2^1154103997 is an apocalyptic number.

It is an amenable number.

1154103997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154103997 is an equidigital number, since it uses as much as digits as its factorization.

1154103997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 1154103997 is about 33972.1061607902. The cubic root of 1154103997 is about 1048.9343676969.

The spelling of 1154103997 in words is "one billion, one hundred fifty-four million, one hundred three thousand, nine hundred ninety-seven".