1071771954 has 32 divisors (see below), whose sum is σ = 2340589824. Its totient is φ = 324476880.

The previous prime is 1071771949. The next prime is 1071771971. The reversal of 1071771954 is 4591771701.

It is a super-2 number, since 2×1071771954² = 2297390242761956232, which contains 22 as substring.

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, 69777 + ... + 83739.

It is an arithmetic number, because the mean of its divisors is an integer number (73143432).

Almost surely, 2^1071771954 is an apocalyptic number.

1071771954 is an abundant number, since it is smaller than the sum of its proper divisors (1268817870).

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

1071771954 is a wasteful number, since it uses less digits than its factorization.

1071771954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15142.

The product of its (nonzero) digits is 61740, while the sum is 42.

The square root of 1071771954 is about 32737.9283706224. The cubic root of 1071771954 is about 1023.3734118588.

The spelling of 1071771954 in words is "one billion, seventy-one million, seven hundred seventy-one thousand, nine hundred fifty-four".