1072123029 has 12 divisors (see below), whose sum is σ = 1549849600. Its totient is φ = 714182184.

The previous prime is 1072123021. The next prime is 1072123033. The reversal of 1072123029 is 9203212701.

It is not a de Polignac number, because 1072123029 - 2³ = 1072123021 is a prime.

It is a super-2 number, since 2×1072123029² = 2298895578624269682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1072122993 and 1072123011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072123021) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 35059 + ... + 58080.

Almost surely, 2^1072123029 is an apocalyptic number.

It is an amenable number.

1072123029 is a deficient number, since it is larger than the sum of its proper divisors (477726571).

1072123029 is a wasteful number, since it uses less digits than its factorization.

1072123029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94424 (or 94421 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1072123029 is about 32743.2898316586. The cubic root of 1072123029 is about 1023.4851401038.

The spelling of 1072123029 in words is "one billion, seventy-two million, one hundred twenty-three thousand, twenty-nine".