1040126545 has 8 divisors (see below), whose sum is σ = 1253010024. Its totient is φ = 828862464.

The previous prime is 1040126543. The next prime is 1040126551. The reversal of 1040126545 is 5456210401.

It can be written as a sum of positive squares in 4 ways, for example, as 670602816 + 369523729 = 25896^2 + 19223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1040126545 - 2¹ = 1040126543 is a prime.

It is a super-2 number, since 2×1040126545² = 2163726459227274050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040126543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403434 + ... + 406003.

It is an arithmetic number, because the mean of its divisors is an integer number (156626253).

Almost surely, 2^1040126545 is an apocalyptic number.

It is an amenable number.

1040126545 is a deficient number, since it is larger than the sum of its proper divisors (212883479).

1040126545 is an equidigital number, since it uses as much as digits as its factorization.

1040126545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809699.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1040126545 is about 32250.9929304510. The cubic root of 1040126545 is about 1013.2004951846.

Adding to 1040126545 its reverse (5456210401), we get a palindrome (6496336946).

The spelling of 1040126545 in words is "one billion, forty million, one hundred twenty-six thousand, five hundred forty-five".