1054066949 has 4 divisors (see below), whose sum is σ = 1135149036. Its totient is φ = 972984864.

The previous prime is 1054066927. The next prime is 1054066957. The reversal of 1054066949 is 9496604501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94926049 + 959140900 = 9743^2 + 30970^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054066949 - 2¹² = 1054062853 is a prime.

It is a super-2 number, since 2×1054066949² = 2222114265948337202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054066969) 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, 40541024 + ... + 40541049.

It is an arithmetic number, because the mean of its divisors is an integer number (283787259).

Almost surely, 2^1054066949 is an apocalyptic number.

It is an amenable number.

1054066949 is a deficient number, since it is larger than the sum of its proper divisors (81082087).

1054066949 is an equidigital number, since it uses as much as digits as its factorization.

1054066949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81082086.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 1054066949 is about 32466.3972285192. The cubic root of 1054066949 is about 1017.7069303672.

The spelling of 1054066949 in words is "one billion, fifty-four million, sixty-six thousand, nine hundred forty-nine".