1075378497 has 8 divisors (see below), whose sum is σ = 1434063456. Its totient is φ = 716806272.

The previous prime is 1075378489. The next prime is 1075378519. The reversal of 1075378497 is 7948735701.

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

It is not a de Polignac number, because 1075378497 - 2³ = 1075378489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1075378457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2608 + ... + 46449.

It is an arithmetic number, because the mean of its divisors is an integer number (179257932).

Almost surely, 2^1075378497 is an apocalyptic number.

It is an amenable number.

1075378497 is a deficient number, since it is larger than the sum of its proper divisors (358684959).

1075378497 is an equidigital number, since it uses as much as digits as its factorization.

1075378497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56367.

The product of its (nonzero) digits is 1481760, while the sum is 51.

The square root of 1075378497 is about 32792.9641386685. The cubic root of 1075378497 is about 1024.5200202071.

The spelling of 1075378497 in words is "one billion, seventy-five million, three hundred seventy-eight thousand, four hundred ninety-seven".