1012911770 has 16 divisors (see below), whose sum is σ = 1963490760. Its totient is φ = 373998144.

The previous prime is 1012911769. The next prime is 1012911803. The reversal of 1012911770 is 771192101.

It can be written as a sum of positive squares in 4 ways, for example, as 703257361 + 309654409 = 26519^2 + 17597^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3895685 + ... + 3895944.

Almost surely, 2^1012911770 is an apocalyptic number.

1012911770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012911770 is a deficient number, since it is larger than the sum of its proper divisors (950578990).

1012911770 is a wasteful number, since it uses less digits than its factorization.

1012911770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7791649.

The product of its (nonzero) digits is 882, while the sum is 29.

The square root of 1012911770 is about 31826.2748369959. The cubic root of 1012911770 is about 1004.2855313189.

The spelling of 1012911770 in words is "one billion, twelve million, nine hundred eleven thousand, seven hundred seventy".