1375123445 has 16 divisors (see below), whose sum is σ = 1693623360. Its totient is φ = 1071270144.

The previous prime is 1375123433. The next prime is 1375123469. The reversal of 1375123445 is 5443215731.

It is a cyclic number.

It is not a de Polignac number, because 1375123445 - 2⁶ = 1375123381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62966 + ... + 81944.

It is an arithmetic number, because the mean of its divisors is an integer number (105851460).

Almost surely, 2^1375123445 is an apocalyptic number.

It is an amenable number.

1375123445 is a deficient number, since it is larger than the sum of its proper divisors (318499915).

1375123445 is a wasteful number, since it uses less digits than its factorization.

1375123445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19364.

The product of its digits is 50400, while the sum is 35.

The square root of 1375123445 is about 37082.6569301608. The cubic root of 1375123445 is about 1112.0233217703.

The spelling of 1375123445 in words is "one billion, three hundred seventy-five million, one hundred twenty-three thousand, four hundred forty-five".