1071145434 has 8 divisors (see below), whose sum is σ = 2142290880. Its totient is φ = 357048476.

The previous prime is 1071145433. The next prime is 1071145447. The reversal of 1071145434 is 4345411701.

It is a sphenic number, since it is the product of 3 distinct primes.

1071145434 is an admirable number.

It is a super-2 number, since 2×1071145434² = 2294705081558096712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071145433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89262114 + ... + 89262125.

It is an arithmetic number, because the mean of its divisors is an integer number (267786360).

Almost surely, 2^1071145434 is an apocalyptic number.

1071145434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1071145434 is a wasteful number, since it uses less digits than its factorization.

1071145434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178524244.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1071145434 is about 32728.3582539668. The cubic root of 1071145434 is about 1023.1739636826.

The spelling of 1071145434 in words is "one billion, seventy-one million, one hundred forty-five thousand, four hundred thirty-four".