1012355450 has 24 divisors (see below), whose sum is σ = 1926775488. Its totient is φ = 395524080.

The previous prime is 1012355441. The next prime is 1012355467. The reversal of 1012355450 is 545532101.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233282 + ... + 237581.

It is an arithmetic number, because the mean of its divisors is an integer number (80282312).

Almost surely, 2^1012355450 is an apocalyptic number.

1012355450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012355450 is a deficient number, since it is larger than the sum of its proper divisors (914420038).

1012355450 is a wasteful number, since it uses less digits than its factorization.

1012355450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470918 (or 470913 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1012355450 is about 31817.5336882041. The cubic root of 1012355450 is about 1004.1016369068.

Adding to 1012355450 its reverse (545532101), we get a palindrome (1557887551).

The spelling of 1012355450 in words is "one billion, twelve million, three hundred fifty-five thousand, four hundred fifty".