1011210045 has 32 divisors (see below), whose sum is σ = 1645277184. Its totient is φ = 530241600.

The previous prime is 1011210043. The next prime is 1011210073. The reversal of 1011210045 is 5400121101.

It is a happy number.

It is not a de Polignac number, because 1011210045 - 2¹ = 1011210043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011210041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 457914 + ... + 460116.

It is an arithmetic number, because the mean of its divisors is an integer number (51414912).

Almost surely, 2^1011210045 is an apocalyptic number.

1011210045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1011210045 is a deficient number, since it is larger than the sum of its proper divisors (634067139).

1011210045 is a wasteful number, since it uses less digits than its factorization.

1011210045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1011210045 is about 31799.5290059460. The cubic root of 1011210045 is about 1003.7228051897.

Adding to 1011210045 its reverse (5400121101), we get a palindrome (6411331146).

The spelling of 1011210045 in words is "one billion, eleven million, two hundred ten thousand, forty-five".