1405125452 has 12 divisors (see below), whose sum is σ = 2466400776. Its totient is φ = 700439520.

The previous prime is 1405125419. The next prime is 1405125467. The reversal of 1405125452 is 2545215041.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529313 + ... + 531960.

It is an arithmetic number, because the mean of its divisors is an integer number (205533398).

Almost surely, 2^1405125452 is an apocalyptic number.

It is an amenable number.

1405125452 is a deficient number, since it is larger than the sum of its proper divisors (1061275324).

1405125452 is a wasteful number, since it uses less digits than its factorization.

1405125452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061608 (or 1061606 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1405125452 is about 37485.0030278777. The cubic root of 1405125452 is about 1120.0524667173.

The spelling of 1405125452 in words is "one billion, four hundred five million, one hundred twenty-five thousand, four hundred fifty-two".