1012404290 has 16 divisors (see below), whose sum is σ = 1838456568. Its totient is φ = 401377536.

The previous prime is 1012404269. The next prime is 1012404307. The reversal of 1012404290 is 924042101.

It can be written as a sum of positive squares in 4 ways, for example, as 408080401 + 604323889 = 20201^2 + 24583^2 .

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, 446837 + ... + 449096.

Almost surely, 2^1012404290 is an apocalyptic number.

1012404290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012404290 is a deficient number, since it is larger than the sum of its proper divisors (826052278).

1012404290 is a wasteful number, since it uses less digits than its factorization.

1012404290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896053.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1012404290 is about 31818.3011802956. The cubic root of 1012404290 is about 1004.1177839150.

Adding to 1012404290 its reverse (924042101), we get a palindrome (1936446391).

The spelling of 1012404290 in words is "one billion, twelve million, four hundred four thousand, two hundred ninety".