1075452394 has 4 divisors (see below), whose sum is σ = 1613178594. Its totient is φ = 537726196.

The previous prime is 1075452379. The next prime is 1075452409. The reversal of 1075452394 is 4932545701.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1075452379) and next prime (1075452409).

It can be written as a sum of positive squares in only one way, i.e., 614792025 + 460660369 = 24795^2 + 21463^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268863097 + ... + 268863100.

Almost surely, 2^1075452394 is an apocalyptic number.

1075452394 is a deficient number, since it is larger than the sum of its proper divisors (537726200).

1075452394 is an equidigital number, since it uses as much as digits as its factorization.

1075452394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537726199.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 1075452394 is about 32794.0908396620. The cubic root of 1075452394 is about 1024.5434870522.

The spelling of 1075452394 in words is "one billion, seventy-five million, four hundred fifty-two thousand, three hundred ninety-four".