1054134421 has 4 divisors (see below), whose sum is σ = 1109615200. Its totient is φ = 998653644.

The previous prime is 1054134397. The next prime is 1054134449. The reversal of 1054134421 is 1244314501.

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 an emirpimes, since its reverse is a distinct semiprime: 1244314501 = 5281 ⋅235621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1054134421 is a prime.

It is a super-2 number, since 2×1054134421² = 2222398755074010482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054134491) 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, 27740361 + ... + 27740398.

It is an arithmetic number, because the mean of its divisors is an integer number (277403800).

Almost surely, 2^1054134421 is an apocalyptic number.

It is an amenable number.

1054134421 is a deficient number, since it is larger than the sum of its proper divisors (55480779).

1054134421 is an equidigital number, since it uses as much as digits as its factorization.

1054134421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55480778.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1054134421 is about 32467.4363170239. The cubic root of 1054134421 is about 1017.7286447555.

Adding to 1054134421 its reverse (1244314501), we get a palindrome (2298448922).

The spelling of 1054134421 in words is "one billion, fifty-four million, one hundred thirty-four thousand, four hundred twenty-one".