1010129378 has 32 divisors (see below), whose sum is σ = 1596943920. Its totient is φ = 478690560.

The previous prime is 1010129369. The next prime is 1010129401. The reversal of 1010129378 is 8739210101.

It can be written as a sum of positive squares in 8 ways, for example, as 540237049 + 469892329 = 23243^2 + 21677^2 .

It is a super-2 number, since 2×1010129378² = 2040722720597333768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491000 + ... + 493052.

Almost surely, 2^1010129378 is an apocalyptic number.

1010129378 is a deficient number, since it is larger than the sum of its proper divisors (586814542).

1010129378 is a wasteful number, since it uses less digits than its factorization.

1010129378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 1010129378 is about 31782.5325926050. The cubic root of 1010129378 is about 1003.3651225811.

Adding to 1010129378 its reverse (8739210101), we get a palindrome (9749339479).

The spelling of 1010129378 in words is "one billion, ten million, one hundred twenty-nine thousand, three hundred seventy-eight".