1425501678 has 32 divisors (see below), whose sum is σ = 2887954560. Its totient is φ = 469037600.

The previous prime is 1425501647. The next prime is 1425501703. The reversal of 1425501678 is 8761055241.

It is a Curzon number.

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, 206893 + ... + 213671.

It is an arithmetic number, because the mean of its divisors is an integer number (90248580).

Almost surely, 2^1425501678 is an apocalyptic number.

1425501678 is an abundant number, since it is smaller than the sum of its proper divisors (1462452882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425501678 is a wasteful number, since it uses less digits than its factorization.

1425501678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7232.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 1425501678 is about 37755.8164790539. The cubic root of 1425501678 is about 1125.4405985805.

The spelling of 1425501678 in words is "one billion, four hundred twenty-five million, five hundred one thousand, six hundred seventy-eight".