1038454121 has 2 divisors, whose sum is σ = 1038454122. Its totient is φ = 1038454120.

The previous prime is 1038454097. The next prime is 1038454133. The reversal of 1038454121 is 1214548301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 588547600 + 449906521 = 24260^2 + 21211^2 .

It is an emirp because it is prime and its reverse (1214548301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1038454121 - 2¹⁴ = 1038437737 is a prime.

It is a super-2 number, since 2×1038454121² = 2156773922843765282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1038454141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519227060 + 519227061.

It is an arithmetic number, because the mean of its divisors is an integer number (519227061).

Almost surely, 2^1038454121 is an apocalyptic number.

It is an amenable number.

1038454121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1038454121 is an equidigital number, since it uses as much as digits as its factorization.

1038454121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1038454121 is about 32225.0542435540. The cubic root of 1038454121 is about 1012.6571607081.

The spelling of 1038454121 in words is "one billion, thirty-eight million, four hundred fifty-four thousand, one hundred twenty-one".