1025155434 has 32 divisors (see below), whose sum is σ = 2071365120. Its totient is φ = 338223600.

The previous prime is 1025155427. The next prime is 1025155451. The reversal of 1025155434 is 4345515201.

1025155434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 343569 + ... + 346539.

It is an arithmetic number, because the mean of its divisors is an integer number (64730160).

Almost surely, 2^1025155434 is an apocalyptic number.

1025155434 is an abundant number, since it is smaller than the sum of its proper divisors (1046209686).

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

1025155434 is a wasteful number, since it uses less digits than its factorization.

1025155434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1025155434 is about 32018.0485663945. The cubic root of 1025155434 is about 1008.3158004434.

The spelling of 1025155434 in words is "one billion, twenty-five million, one hundred fifty-five thousand, four hundred thirty-four".