1511420434 has 16 divisors (see below), whose sum is σ = 2359710720. Its totient is φ = 725170320.

The previous prime is 1511420431. The next prime is 1511420447. The reversal of 1511420434 is 4340241151.

It is a junction number, because it is equal to n+sod(n) for n = 1511420399 and 1511420408.

It is not an unprimeable number, because it can be changed into a prime (1511420431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70482 + ... + 89389.

It is an arithmetic number, because the mean of its divisors is an integer number (147481920).

Almost surely, 2^1511420434 is an apocalyptic number.

1511420434 is a deficient number, since it is larger than the sum of its proper divisors (848290286).

1511420434 is a wasteful number, since it uses less digits than its factorization.

1511420434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160065.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1511420434 is about 38876.9910615521. The cubic root of 1511420434 is about 1147.6120414678.

Adding to 1511420434 its reverse (4340241151), we get a palindrome (5851661585).

The spelling of 1511420434 in words is "one billion, five hundred eleven million, four hundred twenty thousand, four hundred thirty-four".