1071149955 has 8 divisors (see below), whose sum is σ = 1713839952. Its totient is φ = 571279968.

The previous prime is 1071149953. The next prime is 1071149999. The reversal of 1071149955 is 5599411701.

It is a happy number.

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

It is not a de Polignac number, because 1071149955 - 2¹ = 1071149953 is a prime.

It is a super-2 number, since 2×1071149955² = 2294724452193004050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071149953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35704984 + ... + 35705013.

It is an arithmetic number, because the mean of its divisors is an integer number (214229994).

Almost surely, 2^1071149955 is an apocalyptic number.

1071149955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1071149955 is a deficient number, since it is larger than the sum of its proper divisors (642689997).

1071149955 is an equidigital number, since it uses as much as digits as its factorization.

1071149955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71410005.

The product of its (nonzero) digits is 56700, while the sum is 42.

The square root of 1071149955 is about 32728.4273224364. The cubic root of 1071149955 is about 1023.1754031893.

The spelling of 1071149955 in words is "one billion, seventy-one million, one hundred forty-nine thousand, nine hundred fifty-five".