1071654920 has 32 divisors (see below), whose sum is σ = 2755684800. Its totient is φ = 367424448.

The previous prime is 1071654917. The next prime is 1071654923. The reversal of 1071654920 is 294561701.

It is an interprime number because it is at equal distance from previous prime (1071654917) and next prime (1071654923).

It is a super-2 number, since 2×1071654920² = 2296888535120412800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (1071654923) 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, 1913390 + ... + 1913949.

It is an arithmetic number, because the mean of its divisors is an integer number (86115150).

Almost surely, 2^1071654920 is an apocalyptic number.

1071654920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1071654920 is an abundant number, since it is smaller than the sum of its proper divisors (1684029880).

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

1071654920 is a wasteful number, since it uses less digits than its factorization.

1071654920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3827357 (or 3827353 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1071654920 is about 32736.1408843498. The cubic root of 1071654920 is about 1023.3361608238.

The spelling of 1071654920 in words is "one billion, seventy-one million, six hundred fifty-four thousand, nine hundred twenty".