1040121010 has 8 divisors (see below), whose sum is σ = 1872217836. Its totient is φ = 416048400.

The previous prime is 1040120969. The next prime is 1040121011. The reversal of 1040121010 is 101210401.

It can be written as a sum of positive squares in 2 ways, for example, as 998117649 + 42003361 = 31593^2 + 6481^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 104012101 = 1040121010 / (1 + 0 + 4 + 0 + 1 + 2 + 1 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (1040121011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52006041 + ... + 52006060.

Almost surely, 2^1040121010 is an apocalyptic number.

1040121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1040121010 is a deficient number, since it is larger than the sum of its proper divisors (832096826).

1040121010 is a wasteful number, since it uses less digits than its factorization.

1040121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104012108.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1040121010 is about 32250.9071190253. The cubic root of 1040121010 is about 1013.1986979434.

Adding to 1040121010 its reverse (101210401), we get a palindrome (1141331411).

The spelling of 1040121010 in words is "one billion, forty million, one hundred twenty-one thousand, ten".