1011001010 has 16 divisors (see below), whose sum is σ = 1824031872. Its totient is φ = 403460400.

The previous prime is 1011001003. The next prime is 1011001031. The reversal of 1011001010 is 101001101.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 1011000985 and 1011001003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112976 + ... + 121595.

It is an arithmetic number, because the mean of its divisors is an integer number (114001992).

Almost surely, 2^1011001010 is an apocalyptic number.

1011001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011001010 is a deficient number, since it is larger than the sum of its proper divisors (813030862).

1011001010 is a wasteful number, since it uses less digits than its factorization.

1011001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235009.

The product of its (nonzero) digits is 1, while the sum is 5.

The square root of 1011001010 is about 31796.2420735533. The cubic root of 1011001010 is about 1003.6536380051.

Adding to 1011001010 its reverse (101001101), we get a palindrome (1112002111).

Subtracting from 1011001010 its reverse (101001101), we obtain a palindrome (909999909).

The spelling of 1011001010 in words is "one billion, eleven million, one thousand, ten".