1071949970 has 48 divisors (see below), whose sum is σ = 2417202648. Its totient is φ = 339252480.

The previous prime is 1071949933. The next prime is 1071949993. The reversal of 1071949970 is 799491701.

It can be written as a sum of positive squares in 4 ways, for example, as 834574321 + 237375649 = 28889^2 + 15407^2 .

It is a super-2 number, since 2×1071949970² = 2298153476366001800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77771 + ... + 90510.

Almost surely, 2^1071949970 is an apocalyptic number.

1071949970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1071949970 is an abundant number, since it is smaller than the sum of its proper divisors (1345252678).

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

1071949970 is a wasteful number, since it uses less digits than its factorization.

1071949970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168315 (or 168308 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 47.

The square root of 1071949970 is about 32740.6470614128. The cubic root of 1071949970 is about 1023.4300678030.

The spelling of 1071949970 in words is "one billion, seventy-one million, nine hundred forty-nine thousand, nine hundred seventy".