1254191041 has 4 divisors (see below), whose sum is σ = 1254263472. Its totient is φ = 1254118612.

The previous prime is 1254191039. The next prime is 1254191047. The reversal of 1254191041 is 1401914521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1401914521 = 7 ⋅200273503.

It is a cyclic number.

It is not a de Polignac number, because 1254191041 - 2¹ = 1254191039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254191047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6750 + ... + 50536.

It is an arithmetic number, because the mean of its divisors is an integer number (313565868).

Almost surely, 2^1254191041 is an apocalyptic number.

It is an amenable number.

1254191041 is a deficient number, since it is larger than the sum of its proper divisors (72431).

1254191041 is an equidigital number, since it uses as much as digits as its factorization.

1254191041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72430.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1254191041 is about 35414.5597318391. The cubic root of 1254191041 is about 1078.4199118961.

The spelling of 1254191041 in words is "one billion, two hundred fifty-four million, one hundred ninety-one thousand, forty-one".