1385072051 has 8 divisors (see below), whose sum is σ = 1590513600. Its totient is φ = 1192884840.

The previous prime is 1385072041. The next prime is 1385072063. The reversal of 1385072051 is 1502705831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1385072051 - 2¹⁰ = 1385071027 is a prime.

It is a super-2 number, since 2×1385072051² = 3836849172922693202, 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 = 1385071999 and 1385072017.

It is not an unprimeable number, because it can be changed into a prime (1385072041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3313361 + ... + 3313778.

It is an arithmetic number, because the mean of its divisors is an integer number (198814200).

Almost surely, 2^1385072051 is an apocalyptic number.

1385072051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1385072051 is a deficient number, since it is larger than the sum of its proper divisors (205441549).

1385072051 is a wasteful number, since it uses less digits than its factorization.

1385072051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6627169.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 1385072051 is about 37216.5561410510. The cubic root of 1385072051 is about 1114.6985989822.

Adding to 1385072051 its reverse (1502705831), we get a palindrome (2887777882).

The spelling of 1385072051 in words is "one billion, three hundred eighty-five million, seventy-two thousand, fifty-one".