1020125662 has 16 divisors (see below), whose sum is σ = 1560066480. Its totient is φ = 500116032.

The previous prime is 1020125653. The next prime is 1020125671. The reversal of 1020125662 is 2665210201.

It is an interprime number because it is at equal distance from previous prime (1020125653) and next prime (1020125671).

It is a congruent number.

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, 311389 + ... + 314647.

It is an arithmetic number, because the mean of its divisors is an integer number (97504155).

Almost surely, 2^1020125662 is an apocalyptic number.

1020125662 is a deficient number, since it is larger than the sum of its proper divisors (539940818).

1020125662 is a wasteful number, since it uses less digits than its factorization.

1020125662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6267.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1020125662 is about 31939.4060996757. The cubic root of 1020125662 is about 1006.6640458440.

Adding to 1020125662 its reverse (2665210201), we get a palindrome (3685335863).

The spelling of 1020125662 in words is "one billion, twenty million, one hundred twenty-five thousand, six hundred sixty-two".